OpenTechnical

OT-2026-000031367

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000031367) never changes.

Identity and time

Publication numberOT-2026-000031367 · never reused
Internal UUID01a0ae74-87ad-7f94-8c73-17071239cfa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031367
StatusPUBLIC

Content hashes

Canonical text0675bb9bc36d4e8796bdaca589824da1d687aa128e483c90b506e16545834dd9
Markdownf3ecb258910a367f141cafc31dd0c71318ffbe9f7f2266ecf4dc4dd6ed476c06
PDF
Publication page60632e296c6d8c7571b86f96c684663f476177f121f0d351f801b1deb54c2c89
Manifest581739ebe64990bffb162840941289674772751ef3179d485247f52b7f09fc90

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
Signaturea+Pf1yBzf2+au5PPk3kZn0G6gh360Wp5ditRNp0hW2RFNQsGMsYpFFufa0fb9P0IgKv4f6Yg5yLf9O93j6cZCA==
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

2026-09-17T11:36:04.217851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031367
observed 60632e296c6d8c7571b86f96c684663f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.199866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031367/manifest.json
observed 581739ebe64990bffb16284094128967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.181274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031367/publication.md
observed f3ecb258910a367f141cafc31dd0c713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.159911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031367/publication.txt
observed 0675bb9bc36d4e8796bdaca589824da1...
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.