OpenTechnical

OT-2026-000033615

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000033615) never changes.

Identity and time

Publication numberOT-2026-000033615 · never reused
Internal UUID01a0ae75-a38f-7abf-a733-39673d298fe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033615
StatusPUBLIC

Content hashes

Canonical text1f6470acd8ae572e5a91448a0b39e3c1245d13c36195ba32f1f3db22c682baa6
Markdownecfc2d1d586f4e143360ed4fe47ad1c2aa2f1c6db262aea5ae1aeb53aaae9125
PDF
Publication page07dc6cd601c11dda01a37d90b8c8b799552e5aa05ec034c6ffab25c1ba68c231
Manifest9a4ad69c4201f096de50555b9244cd7c03251fa06e55a0d49f7b0de394eaf370

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
SignatureD5w0O0jsxEI44CGoGHxqibIS5Ewf3RmbOihoam5gOzgOzSOTYHVeGIVQSwr+ia3ajmhgkx+zz0JKbWptCEE1AA==
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

2026-09-17T11:31:35.352753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033615
observed 07dc6cd601c11dda01a37d90b8c8b799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.332744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033615/manifest.json
observed 9a4ad69c4201f096de50555b9244cd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.312224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033615/publication.md
observed ecfc2d1d586f4e143360ed4fe47ad1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.293691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033615/publication.txt
observed 1f6470acd8ae572e5a91448a0b39e3c1...
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.