OpenTechnical

OT-2026-000022261

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000022261) never changes.

Identity and time

Publication numberOT-2026-000022261 · never reused
Internal UUID01a0ae6f-f4fc-7240-a1d5-f7ceb35d9f7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022261
StatusPUBLIC

Content hashes

Canonical textd31437777e9ea347bb96e44f51290c6b39b7c0954e97f9cf2092ff5b8f665ebf
Markdown87929c5aaf6d8e2cd5bac213a6a33ef937f8d0d4486f9a3a32591b00a1da78e0
PDF
Publication pageb0193e64b7c0395f790c6b12f5e4437903cdf0540099f95c933efcc630034de6
Manifest77006df235c0ae80087f40539326d5fbfbcf5d52d5ddeb0319734b1fd54a4a12

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
SignatureuSfoaM2Qb3THBM+JRDkkRQldPCKIS2O1iEPEo8mZfAKHmp6PJEKUvdsCsglBGaAKRjbxEzmrjswRW9z4ogIKDg==
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

2026-09-17T11:53:03.583911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022261
observed b0193e64b7c0395f790c6b12f5e44379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.565708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022261/manifest.json
observed 77006df235c0ae80087f40539326d5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.547870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022261/publication.md
observed 87929c5aaf6d8e2cd5bac213a6a33ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.529139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022261/publication.txt
observed d31437777e9ea347bb96e44f51290c6b...
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.