OpenTechnical

OT-2026-000005909

Publication integrity record

Bellows cup vacuum gripper, three zone face, pump fed, contact triggered on the face

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-2026-000005909) never changes.

Identity and time

Publication numberOT-2026-000005909 · never reused
Internal UUID01a0a948-e223-7aa9-a704-d32aadf4dc37 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:21.126694Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005909
StatusPUBLIC

Content hashes

Canonical texte3c858eabccbc11c220e70190a5740931deacca598c9b13e435d278d19127c02
Markdown0c9dc45e7f8dc09c1491e676fd2f106ea2f51ed3f21f1638c41b0199d374e488
PDF
Publication page80d391a523fc60de247495e3dbf1b9585484469a86a51943bf98510f25cc4b90
Manifeste2918d854800988cf17585063d56e3bee58d1cf9836bb6141c030c7cf654c47f

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
Signature7GOZwQa4higMCgmnp252DVoaSbESLffijBthBaBoNhUuhDSsJE0box52/1klNJny3QaCzSt/c5hjDGc6iZy8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:18.702914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005909
observed 80d391a523fc60de247495e3dbf1b958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.685024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005909/manifest.json
observed e2918d854800988cf17585063d56e3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.668278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005909/publication.md
observed 0c9dc45e7f8dc09c1491e676fd2f106e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.652378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005909/publication.txt
observed e3c858eabccbc11c220e70190a574093...
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.