OpenTechnical

OT-2026-000050790

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000050790) never changes.

Identity and time

Publication numberOT-2026-000050790 · never reused
Internal UUID01a0ae82-c7b2-71b1-80b5-ad017efdabd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050790
StatusPUBLIC

Content hashes

Canonical texte928ca363cc4ee8c79148a52b68f160230e988e3ffc75ba10cadb48f267dc27f
Markdown397040c8e72cd2d3f5d132b33b35c03c2342b202031d8acb7e58152ad2edc779
PDF
Publication pageecd00cc7323c2129e50429622e671ae92ebf3191cbb0a24e431b34c4610e3ba3
Manifest4b4f3b42597264eef4dc5927eb6a99c71be3438f66e3464118b58c52a8e476f2

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
SignatureOh9SQNXLCpPXlroEFaUbgQ2VU5FrDhtiLmz1mzDtsoZpLvoQT6GbjlaKLQ5tpG14iRBiMbJtY1tRGB27ZSxZBg==
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

2026-09-17T11:00:18.620694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790
observed ecd00cc7323c2129e50429622e671ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.597387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790/manifest.json
observed 4b4f3b42597264eef4dc5927eb6a99c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.595959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790
observed ecd00cc7323c2129e50429622e671ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.569197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790/manifest.json
observed 4b4f3b42597264eef4dc5927eb6a99c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.568121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790/publication.md
observed 397040c8e72cd2d3f5d132b33b35c03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.545130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790/publication.md
observed 397040c8e72cd2d3f5d132b33b35c03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.542115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790/publication.txt
observed e928ca363cc4ee8c79148a52b68f1602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.519523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050790/publication.txt
observed e928ca363cc4ee8c79148a52b68f1602...
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.