OpenTechnical

OT-2026-000012972

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000012972) never changes.

Identity and time

Publication numberOT-2026-000012972 · never reused
Internal UUID01a0ae6d-5564-78d5-ad29-3feb75571f9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012972
StatusPUBLIC

Content hashes

Canonical text4bbdd1522ce40468a1a08a90482fd3a17a095773ce581b4d1e82ab3809f3efb0
Markdown820f619b10c39f5636ffb436ab8d8fdb67ef717b9a298ad8fe7966f1edcb240a
PDF
Publication page6ebe8803f0a4bb60bb5ffaadd02a508b42a6e4b8743623effe22053a47df0727
Manifest3f8173e989650b305f64f8409cd8a211ced90db4a0887025ffabbc33e20167c3

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
Signaturerl3eRyaqmkmixNwQnqn+enDqMSz4X/Lnq0CII4P76FM2GiZIFmLbdVph5Qec42TfMbcSf4/BNrlf48dBcOjxCQ==
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

2026-09-17T12:10:46.982779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012972
observed 6ebe8803f0a4bb60bb5ffaadd02a508b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.962303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012972/manifest.json
observed 3f8173e989650b305f64f8409cd8a211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.943026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012972/publication.md
observed 820f619b10c39f5636ffb436ab8d8fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.923344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012972/publication.txt
observed 4bbdd1522ce40468a1a08a90482fd3a1...
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.