OpenTechnical

OT-2026-000025018

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000025018) never changes.

Identity and time

Publication numberOT-2026-000025018 · never reused
Internal UUID01a0ae71-2728-719f-a9b1-75ded08433cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025018
StatusPUBLIC

Content hashes

Canonical text3de7056a8623d12be585ed366b389bb04f1419f8105d38f7d57ae362fc81577b
Markdown7a7fd953f14e514c105bbfddd0ce82f671ae8d3e2802e33f1527ad976da304c7
PDF
Publication page7a87249318f4c1e5c9d32644b8b1966f1fed3ba42ebe74c204b617932483c39b
Manifestac50a6f0704338a90670f0354686dbf582348e8d265334a2799919b7ce1e63aa

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
SignatureQpc7WAvTXObtCDkH9e51wOwyPl2Mh+zH4enONQ2lEhIQMnJyleieo68WnRuan4S0f+LTz6SuzXP03YH7/Y+KBw==
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

2026-09-17T11:48:25.205076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025018
observed 7a87249318f4c1e5c9d32644b8b1966f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.188916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025018/manifest.json
observed ac50a6f0704338a90670f0354686dbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.171291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025018/publication.md
observed 7a7fd953f14e514c105bbfddd0ce82f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.152488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025018/publication.txt
observed 3de7056a8623d12be585ed366b389bb0...
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.