OpenTechnical

OT-2026-000051437

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000051437) never changes.

Identity and time

Publication numberOT-2026-000051437 · never reused
Internal UUID01a0ae83-7c80-7225-901c-fc4e86dbb4f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051437
StatusPUBLIC

Content hashes

Canonical texta5ea7265e38b358cca367ac2ecfd067670d814960ddfe0a86177898d0b9b5607
Markdown8c3dd13c9846c495cd2a3f5895e13de69de9790a45f0e51a4d38893a661bc4fd
PDF
Publication pagecbb113a58afcf206b829db76d5b8bcbed54a48b341d5ca2f7ea5e82a9be4c442
Manifest422f51aac0ca5e82a3bf901f655c50ed60bb0e38c001013a53b78ac3d84370ff

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
SignatureJzvRBlyPNgPfbO7QMmpS+MCOHuhGuq2rSaO/r5iWIi0hP0VYY+jgJIQAjmI9ofhWDUhi4EpR9CO+ZE0qVxP/AA==
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

2026-09-17T10:58:09.540092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051437
observed cbb113a58afcf206b829db76d5b8bcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.520878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051437/manifest.json
observed 422f51aac0ca5e82a3bf901f655c50ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.500189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051437/publication.md
observed 8c3dd13c9846c495cd2a3f5895e13de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.483270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051437/publication.txt
observed a5ea7265e38b358cca367ac2ecfd0676...
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.