OpenTechnical

OT-2026-000023576

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000023576) never changes.

Identity and time

Publication numberOT-2026-000023576 · never reused
Internal UUID01a0ae70-7269-7aab-91d7-16fc59b31e4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023576
StatusPUBLIC

Content hashes

Canonical textda861a74ba37ed6f2bfc108a9a820bd11d24440eb8fb7a4047df3e5bab9e6084
Markdowna4bc1b292ef5641ccae753c6364bfa018457b1236dfa1c8275431fb3e2d30af6
PDF
Publication paged369e99951675cd78e4cdb9ca965f6f5821c87c3080c62364af0173925b62bb4
Manifest9b1a2d87fe389928a41b16c441dfc3b21eaabf400c45e1451aaef04064234c30

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
Signaturek1POqrlBwG+MmycCqfTMM+vpZVwa8CChmF/dLQ2xnYOcHM6TLcycsnqaf7m9QimZ9xBLgOG3y5tv5zN7qPw6BA==
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

2026-09-17T11:51:55.830256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023576
observed d369e99951675cd78e4cdb9ca965f6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.810239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023576/manifest.json
observed 9b1a2d87fe389928a41b16c441dfc3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.786703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023576/publication.md
observed a4bc1b292ef5641ccae753c6364bfa01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.769179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023576/publication.txt
observed da861a74ba37ed6f2bfc108a9a820bd1...
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.