OpenTechnical

OT-2026-000013109

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000013109) never changes.

Identity and time

Publication numberOT-2026-000013109 · never reused
Internal UUID01a0ae6d-6fc8-77a4-9cc1-f9bb6be71cb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013109
StatusPUBLIC

Content hashes

Canonical textd42978772b7ec57134b79baeb1a803982a6c76c17a9927bba06b0a5513377ea0
Markdowna671856fbf09c8d9f7cc8b8557e97a79c92b37ef9d1361fb35e7a2bcd47520ae
PDF
Publication pagec0b2ef17ef4616c77ebf2fb77786594253ba2d7a44a79c789a8f50d561d9f66a
Manifest54c4703a5096a2bc6f9fc5596d38de1dbff883d44f966e56bd6df04a51229f53

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
SignatureDYxqzGNsHeFaJ38kC8csio2XxqmO8Leg+kJwHbr1m+IyQD+MZyvLYsCdGnoAk+phNxiyqsfSwL5/Xunat0HoAg==
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

2026-09-17T12:09:23.589501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013109
observed c0b2ef17ef4616c77ebf2fb777865942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.566676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013109/manifest.json
observed 54c4703a5096a2bc6f9fc5596d38de1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.546415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013109/publication.md
observed a671856fbf09c8d9f7cc8b8557e97a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.526895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013109/publication.txt
observed d42978772b7ec57134b79baeb1a80398...
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.