OpenTechnical

OT-2026-000074432

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000074432) never changes.

Identity and time

Publication numberOT-2026-000074432 · never reused
Internal UUID01a0ae93-717a-75f8-8c23-8d94ed7eb780 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074432
StatusPUBLIC

Content hashes

Canonical text7ccc6c142f27025cd735451402e166ef6d066aac00b116937ad08ad60de49956
Markdownb4523e1e1336a9a3b8d43578669d96f4d6db20dc90eaa0af8a4e73b61d53d943
PDF
Publication pagea426046c9abd0db977e714707e898e23457ba5bf436dfeaa4663c22a12ced1f7
Manifest8554576f12b8ca1d4821a4d677f657d4ac31f9b2fc11939c6631a97a49dbdd89

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
SignatureUTSGUHdlb0FsPNyjenSju3dllg9GXG6HXGEMOZs8T1DsAdYNuaL1Kj7BZa+BbA+G0pQqimJUYMd1YUFOpMLEDQ==
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

2026-09-17T10:19:22.984793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074432
observed a426046c9abd0db977e714707e898e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.967307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074432/manifest.json
observed 8554576f12b8ca1d4821a4d677f657d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.947252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074432/publication.md
observed b4523e1e1336a9a3b8d43578669d96f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.913251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074432/publication.txt
observed 7ccc6c142f27025cd735451402e166ef...
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.