OpenTechnical

OT-2026-000031441

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031441) never changes.

Identity and time

Publication numberOT-2026-000031441 · never reused
Internal UUID01a0ae74-87ad-7f8c-99c7-a422a6fa3b08 · 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-2026-000031441
StatusPUBLIC

Content hashes

Canonical text102e61c620472d5e8784259fe9e73b6f63095481d45f58c5c4ee70e9af7e84a8
Markdown1c1b0f65cd008ec38f86816712af3d17c1d4757bb75ecf5bd542b8a11d5b8101
PDF
Publication page8306894bfd8a0a9692cfba286da258879d2cf9696d8e649ef22dc53c186cf4e9
Manifest8dd9d21e679dab8009e27d36c6d3c7fa66854bfe6df8cc438e2fd8eee9e5152d

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
Signature009YSDqg9cOqvqTCIgMSNG8mbENx3zwr1p6pwUz0QuhfQnXDhoW6DBXP5aTuAceogSpYBMGuN2KRCPlwyQgsCw==
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

2026-09-17T11:36:09.862466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031441
observed 8306894bfd8a0a9692cfba286da25887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.845354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031441/manifest.json
observed 8dd9d21e679dab8009e27d36c6d3c7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.828014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031441/publication.md
observed 1c1b0f65cd008ec38f86816712af3d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.811776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031441/publication.txt
observed 102e61c620472d5e8784259fe9e73b6f...
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.