OpenTechnical

OT-2026-000023644

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000023644) never changes.

Identity and time

Publication numberOT-2026-000023644 · never reused
Internal UUID01a0ae70-aed3-7d09-948a-0532f5594941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023644
StatusPUBLIC

Content hashes

Canonical text7fffc2ed7370a33524f1b1266127fc2338afeb37d0ac15453ebc6e40498252aa
Markdownf05ed24e9a1903bf5537d3cd62fb8b0238071ccfa51441a67579e447c5c44f92
PDF
Publication pagedd3aee863fa50a9d8e0a175b0b4ccfd428a91a83169e6819452d56a84c036bfe
Manifest7cb9a90abc95d8cb0aa5967808aaaa472be57fa74920d49b47687a5eb55e2f6c

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
Signaturelca7eAFZEn29+8rLEse0V/9uaB3FnjdNERH5IOFhxTxaPv6yhMCBWoJpzBH2GRixuGcxbs+xX/Ps0TNkZZVBCA==
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

2026-09-17T11:49:57.318590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023644
observed dd3aee863fa50a9d8e0a175b0b4ccfd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.300557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023644/manifest.json
observed 7cb9a90abc95d8cb0aa5967808aaaa47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.283908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023644/publication.md
observed f05ed24e9a1903bf5537d3cd62fb8b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.268068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023644/publication.txt
observed 7fffc2ed7370a33524f1b1266127fc23...
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.