OpenTechnical

OT-2026-000045771

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045771) never changes.

Identity and time

Publication numberOT-2026-000045771 · never reused
Internal UUID01a0ae7d-8f05-772d-807b-ca16a058fe1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045771
StatusPUBLIC

Content hashes

Canonical textc038d3ae577c8198aa7d67f1955ef5cc95090bb25020ca3fe4d8576bb68d9356
Markdownd637576d7f77c24704bd57e97bcbb6b4e2989b8c594aff07c8a615bb4cdc56c4
PDF
Publication pageecb65b87908f67f35d81153580a73c607bc9793fa39fd7da856d1e541c2f1b92
Manifest2bbe2986e56526ba33fe1c2dcedf5176339ccefcfd7288ed7430339d5fc19090

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
SignatureZLG4D2dX3iVaf4Mh0X4nTqUVnygx/G94QZ082Gtb7Do8iyaOtuG41vnLiHgEkrAeJB9JjMMUEnSTLLCzB5YNAg==
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

2026-09-17T11:09:37.673664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045771
observed ecb65b87908f67f35d81153580a73c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.654504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045771/manifest.json
observed 2bbe2986e56526ba33fe1c2dcedf5176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.635313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045771/publication.md
observed d637576d7f77c24704bd57e97bcbb6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:37.614662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045771/publication.txt
observed c038d3ae577c8198aa7d67f1955ef5cc...
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.