OpenTechnical

OT-2026-000032139

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000032139) never changes.

Identity and time

Publication numberOT-2026-000032139 · never reused
Internal UUID01a0ae74-f7a5-799c-b5d9-fc7a549801d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032139
StatusPUBLIC

Content hashes

Canonical text9969109ba63a012ca4d75cad5f54ceaac950fbe359299ca722ffc0b468a3585a
Markdown1fd2fe41c2ab3a6d439e3d4f373bb1d0274b15b7185393ec5892f2393932ccf4
PDF
Publication page42327dbfa1311d31b924e7c44e3263f4511c1750085a5aed311dec957121e24c
Manifestcc3d445dd211c75a133e4686dd496f80d814edaa71e97c7dc0a52cb07ba0096b

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
Signature9/xsr81y3L7pb3PVsqwV8R1gYqsV9yKtlB/73hBGk/na0h8UAv6WQynZ1ROHPbSA/FD87YAC/TA7zXIGHxplDg==
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

2026-09-17T11:34:27.571903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032139
observed 42327dbfa1311d31b924e7c44e3263f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.554568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032139/manifest.json
observed cc3d445dd211c75a133e4686dd496f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.531486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032139/publication.md
observed 1fd2fe41c2ab3a6d439e3d4f373bb1d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:27.512084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032139/publication.txt
observed 9969109ba63a012ca4d75cad5f54ceaa...
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.