OpenTechnical

OT-2026-000050766

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000050766) never changes.

Identity and time

Publication numberOT-2026-000050766 · never reused
Internal UUID01a0ae82-c7b1-7619-8f39-34bef84d153e · 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-2026-000050766
StatusPUBLIC

Content hashes

Canonical textc31d44d20740e9dc6d27c3e7657669554bd4988b9aece38d45b9f1b4538b46a3
Markdown712279ba1bc92c0a648f3ffab7e6633db6a0479b735f483878213cc1ea660de5
PDF
Publication pagecee6611964a7ce9bc16e1e8c32f18c4ca3e81f5c8cecb7b523a7e19f4119c9c0
Manifeste1173adf58203d00f3c60df8784fedb71f38c726b50362a809222f1e7845942f

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
SignaturekJnOU7tNLYrg5T4Nzbaq4hWoHGRKtmejNFFrk4/7uVTmuI3pzlRe2d4tWbLbqYOYnniFwR2CSJ3/FljS2mAODQ==
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

2026-09-17T11:00:15.850677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766
observed cee6611964a7ce9bc16e1e8c32f18c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.817981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766/manifest.json
observed e1173adf58203d00f3c60df8784fedb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.788784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766/publication.md
observed 712279ba1bc92c0a648f3ffab7e6633d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.776636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766
observed cee6611964a7ce9bc16e1e8c32f18c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.761875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766/publication.txt
observed c31d44d20740e9dc6d27c3e765766955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.748339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766/manifest.json
observed e1173adf58203d00f3c60df8784fedb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.726394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766/publication.md
observed 712279ba1bc92c0a648f3ffab7e6633d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.705556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050766/publication.txt
observed c31d44d20740e9dc6d27c3e765766955...
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.