OpenTechnical

OT-2026-000042763

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042763) never changes.

Identity and time

Publication numberOT-2026-000042763 · never reused
Internal UUID01a0ae7a-c0d0-7dbd-b1b8-183197c70dd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042763
StatusPUBLIC

Content hashes

Canonical text6cf50b638e57bf17fc64e6bb516883467e3d257807a6d55ab8c729ac228b4b44
Markdownec33f06c0f18c4457523fcaee4e1eed17ae567136dd41df34516b8f66e7a143f
PDF
Publication page1e07c593739192cb453a9f74a06481254e303ca7b569661290499520e5d2c3ee
Manifestdcb79cb5d0f20c7c2c8e9b22fd89e7bea3b95ecb215ab05f9fb70b817149ca38

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
SignatureDkm01exSOQcKXzLi5XvuXBEDxTMjBYn09dE4ke/Cf9agd0E8vcehdMh31zoOjWrQd8JOjZX1biAwgGMPDO3/Bg==
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

2026-09-17T11:15:13.152640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042763
observed 1e07c593739192cb453a9f74a0648125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.132663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042763/manifest.json
observed dcb79cb5d0f20c7c2c8e9b22fd89e7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.112360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042763/publication.md
observed ec33f06c0f18c4457523fcaee4e1eed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.090762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042763/publication.txt
observed 6cf50b638e57bf17fc64e6bb51688346...
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.