OpenTechnical

OT-2026-000045252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000045252) never changes.

Identity and time

Publication numberOT-2026-000045252 · never reused
Internal UUID01a0ae7c-f76a-75df-acd8-330904dae414 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045252
StatusPUBLIC

Content hashes

Canonical textad521be9e4bfa0a3e04fd2be0e58245ca73af10845dc4af427dcd11fa7515403
Markdowncd955fc52457a35486ab3280162996c46a2d78b338d74de3a0d994b7ec65aba5
PDF
Publication page1924ba51b74198b0481719d7062edc180c55f230b1d3e44fd20240ff9c84295d
Manifesta8bde415c845b4bdf83978cb02cab8d4de9e84ad7cf68967d4b510fc1835df96

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
Signaturepi8ZX9ptR/Lc2E/o+lRB/+pDEc2mv3UKi0bGQEmSW7Hes+OcyR37+l3vq1m9QdIlNb5BVy6KftgUF9qptnwQAw==
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

2026-09-17T11:10:27.400410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045252
observed 1924ba51b74198b0481719d7062edc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.379872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045252/manifest.json
observed a8bde415c845b4bdf83978cb02cab8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.360283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045252/publication.md
observed cd955fc52457a35486ab3280162996c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.341704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045252/publication.txt
observed ad521be9e4bfa0a3e04fd2be0e58245c...
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.