OpenTechnical

OT-2026-000056669

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000056669) never changes.

Identity and time

Publication numberOT-2026-000056669 · never reused
Internal UUID01a0ae87-7af6-765c-a745-70aaed34515f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056669
StatusPUBLIC

Content hashes

Canonical texted984bfded4444955131a6b99969c35944787fbe5586d5886a8cf74f2c3ab9c8
Markdown43c7fad9aa56dee1a6fc528fc7142249f30371ea059c5498a12909747327c012
PDF
Publication page51d602d528cdbd1f1417ef2a7e6d3204b7f8432f41661b82de963c8441e52867
Manifestfab2b4ef01cd1bf91c5300e40974e2ff55c13022056e342ef223d180796ed03f

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
SignaturesvIXJp8Wz/K7FQVY/+pnpU0z8NkGaEhoRXPgmQA6NmFhW53pw1jcbQQflm9RZNGnQ6Ef1akDF8r6A6DJVonBCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:03.824298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056669
observed 51d602d528cdbd1f1417ef2a7e6d3204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.801279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056669/manifest.json
observed fab2b4ef01cd1bf91c5300e40974e2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.778935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056669/publication.md
observed 43c7fad9aa56dee1a6fc528fc7142249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.758320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056669/publication.txt
observed ed984bfded4444955131a6b99969c359...
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.