OpenTechnical

OT-2026-000086457

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086457) never changes.

Identity and time

Publication numberOT-2026-000086457 · never reused
Internal UUID01a0ae9a-2c97-76cd-8ddb-b3c9c365debb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086457
StatusPUBLIC

Content hashes

Canonical textac90fcdf7c95f41be3ba1165b000b31525c6083fdcaad380df204af1fed10f2b
Markdown7d26c132851efdc06c63fc5f1620df66718cf39b2689cfc05d127160561c2ac9
PDF
Publication page928a5de3bc816fa317c04175fdef70374b2581e93dd0a383eafbc09c36bf5121
Manifesta1b2f644ed8e40cb11aeb6257fa31488937fc9ff178f06f5071d0a9a3d1587fd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureVa938cLcyyb2M1y7BxUYCCOpMA1mPfJlFgB+soSulNxR9JrbwVp3u3lHJOPRdlNYnGnO2K7cdG0lMzifXtOxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:15.642221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086457
observed 928a5de3bc816fa317c04175fdef7037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.624153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086457/manifest.json
observed a1b2f644ed8e40cb11aeb6257fa31488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.607368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086457/publication.md
observed 7d26c132851efdc06c63fc5f1620df66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.590911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086457/publication.txt
observed ac90fcdf7c95f41be3ba1165b000b315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.