7a919912476c0fe8682db68aa22b4361da245457e395a5c22bb93c93f5d6bf8f
It's confirmed well over 100 times and prevailing. These other transactions are NOT unconfirmed, they are irrelevant and can just be ignored. I've contacted blockchain.info to try and get them removed from their site, but they are as responsive as the OP.
The software is may be skipping like a broken record. No full node will take any TX with inputs from this chain, because they don't exist any attempt to add these results in immediate error.
Try for yourself:
https://blockchain.info/tx/0e87da521798347073c875cdeb4b9766eee67e8d34966514407da55bfeda78b9?format=hex
1BTC at 00:00:00 GMT, a perfect play for Excalibur Ponzi.
These tools simply report it as an error:
https://btc.blockr.io/tx/push
https://coinb.in/#broadcast
This tool is broken, don't use it:
https://blockchain.info/pushtx
Don't you guys send the funds without fee to the deposit address and if the system use the unconfirmed funds to pay others, it will account for the unconfirmation of the every single transactions after that transaction.
You should wait and re-broadcast the tx after the transaction are dropped, usually it take a couple days.