OpenTechnical

OT-2026-000030074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000030074) never changes.

Identity and time

Publication numberOT-2026-000030074 · never reused
Internal UUID01a0ae73-ac4a-756c-8a91-9ea28f215aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030074
StatusPUBLIC

Content hashes

Canonical text569dbeb034b6795f692568c2b74841d3f88f659a7c467c8f4651443ae4e7a9fc
Markdown30f1e8703d6a5f65d267b1e4ba5df665bbd5e3e4e140b07e7535bcfe7b57083a
PDF
Publication pagee9b69cfe482f060c68300896d1ed4ebb3b3b96148140b25183145d605d1acefc
Manifestab0af2b32c792ee9c444349a8dca065a72ffae7af35fb195d9d7c12a3bb913b4

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
Signature/LH8Uc3CrkPfIJs+JR6R8Pl3Qy9ZB91kc1ckaMXxhaQrcQHCVvVvgsUj2aSsj6Ams6wr5LdgaDLQ7PxYDnoqBA==
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

2026-09-17T11:38:49.168331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030074
observed e9b69cfe482f060c68300896d1ed4ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.149401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030074/manifest.json
observed ab0af2b32c792ee9c444349a8dca065a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.132469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030074/publication.md
observed 30f1e8703d6a5f65d267b1e4ba5df665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.115458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030074/publication.txt
observed 569dbeb034b6795f692568c2b74841d3...
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.