OpenTechnical

OT-2026-000018487

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000018487) never changes.

Identity and time

Publication numberOT-2026-000018487 · never reused
Internal UUID01a0ae6e-b48a-7e1b-bb50-23daab42b41a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018487
StatusPUBLIC

Content hashes

Canonical text72182167b3a50fec5b878ecb9fb22c9acdff14f59b7abf3905b47ae077207619
Markdown340fe2169212a69c28ae984b7a4850e223a96c99200be31969534668ab76f484
PDF
Publication paged69b3e39f6e22db90c39eba71cc928a8ea95dc15115607fee2919e420fd7c360
Manifest3a4f2278a61be2e4fc596557cdfd62f4a71b9585bc707067202ddec33a78fc7b

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
SignatureijT5My0OgwxfZIbeXEH9IRjQFhPNiTApE3WF6pFNnRjfzxs9Y0umdfHar8Agcxu5haIGg7s2UU4H8gBMaoXXCg==
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

2026-09-17T12:01:14.237820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018487
observed d69b3e39f6e22db90c39eba71cc928a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.208054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018487/manifest.json
observed 3a4f2278a61be2e4fc596557cdfd62f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.191352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018487/publication.md
observed 340fe2169212a69c28ae984b7a4850e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.161762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018487/publication.txt
observed 72182167b3a50fec5b878ecb9fb22c9a...
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.