OpenTechnical

OT-2026-000022914

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000022914) never changes.

Identity and time

Publication numberOT-2026-000022914 · never reused
Internal UUID01a0ae70-46eb-773f-a0d7-75c04e6bda78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022914
StatusPUBLIC

Content hashes

Canonical text364642c7737fb7cc61cb1a29c2096f7b63569987ce20284590bf2fb9713bade5
Markdown7723a2050c53f4f8a9532b2a480761b3765a95daee32416ff71adae46acbdc2a
PDF
Publication page8e4425e515465533bb742d18b499a0ff7325059bd3bfa8aefaaf5216af5c1e39
Manifestd477ea1cf46b49ff085e6f4bd542258d156ead41af426481e2edaca0c43b5ffa

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
Signatureso/05BXUIehJy+9WCGNoyEGxgjeXtrMwl/XEQFwk7CDWIbMvUTsYJnlKHu1Le7Pa0UyI818BJY2eO5ywHwHdAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:29.382521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022914
observed 8e4425e515465533bb742d18b499a0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.365443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022914/manifest.json
observed d477ea1cf46b49ff085e6f4bd542258d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.347653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022914/publication.md
observed 7723a2050c53f4f8a9532b2a480761b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.329313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022914/publication.txt
observed 364642c7737fb7cc61cb1a29c2096f7b...
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.