OpenTechnical

OT-2026-000022882

Publication integrity record

Foam pad vacuum gripper, 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-2026-000022882) never changes.

Identity and time

Publication numberOT-2026-000022882 · never reused
Internal UUID01a0ae70-46eb-7170-938d-4488dff0e7f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022882
StatusPUBLIC

Content hashes

Canonical textb0fea06300e0c6ac8e78bb5dd0a9b9cc1595ec7b59608c1bdd2c533822a18f64
Markdown6f79b22127c9ce22db19e47daf01b03cddde15d76669b3441a691ceda4d4df57
PDF
Publication page66a765500e0dac99868ba5f5b9d98f96da1aa48a238ef3686a7303cf82476638
Manifestb5744c7bff199a290c256845f640f7488cc2fa00c8d361d8caa3fb09b38e9f94

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
SignaturesgTeLonS/xh/qLC4/AaE/yHcOjlKsy3EQ+e7Ew9hZswS4Bnsq3HGlRNEgb0gv7CJl74X/jmkOaIOCqcscH/yAQ==
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

2026-09-17T11:52:26.897970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022882
observed 66a765500e0dac99868ba5f5b9d98f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.879558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022882/manifest.json
observed b5744c7bff199a290c256845f640f748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.859663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022882/publication.md
observed 6f79b22127c9ce22db19e47daf01b03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.839816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022882/publication.txt
observed b0fea06300e0c6ac8e78bb5dd0a9b9cc...
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.