OpenTechnical

OT-2026-000073336

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073336) never changes.

Identity and time

Publication numberOT-2026-000073336 · never reused
Internal UUID01a0ae92-efb7-790f-ab31-571a1dbce132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073336
StatusPUBLIC

Content hashes

Canonical text8f4af87a944c248c6bd3d50c3cf86d4e9ed3684030f17773846be0263b7c2ae4
Markdown541507c2d26d68a2b3a12d9fd98aa93f70ecbe90992decc997f1706801c1a9f2
PDF
Publication page0708162c2e9b13256770577b8f1dd02b82274a6e8836b33ff4d0cd355eeb8771
Manifest5fdfee194924065be080f709e7bf1743a93082d26839d3a631c02c4a3cc92760

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
SignatureV9+f0NS8CV/HbL5v0GJFpl2Q6kWn+MP5DG/IjhZqFNL/32mMcQx100CP13ASZU0zCpKXwoBQUMbzg8b5LPInBg==
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

2026-09-17T10:21:21.381332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073336
observed 0708162c2e9b13256770577b8f1dd02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.362116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073336/manifest.json
observed 5fdfee194924065be080f709e7bf1743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.342710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073336/publication.md
observed 541507c2d26d68a2b3a12d9fd98aa93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.324401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073336/publication.txt
observed 8f4af87a944c248c6bd3d50c3cf86d4e...
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.