OpenTechnical

OT-2026-000025391

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000025391) never changes.

Identity and time

Publication numberOT-2026-000025391 · never reused
Internal UUID01a0ae71-5fa7-7c12-af49-0ecffab3ec76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025391
StatusPUBLIC

Content hashes

Canonical text09c36910d2d2d6e7b570cabc7befbab37a82608c56176b8d7a2b14f6703f3f96
Markdown564b6568522238642f315e1e3bf56b9cc88264fc5d278b88f694c63b82d76323
PDF
Publication pagec62eefdb98de71cb10fe77245be007f7574875465e25cbeff10bf4eb102bbb59
Manifest4ee8d60d73efbc79d4270d2ea73533724a7b341cee79d9180c6bfae1a67c4355

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
SignaturewHHyXtU2uZV5k8QJtjb+lgkxtsYwrIrHYJYIh53efS+ZoBRnZ4cn7whJyvT+PBdEsatnc9FiXiU7EUMLjGiVCQ==
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

2026-09-17T11:47:27.524502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025391
observed c62eefdb98de71cb10fe77245be007f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.508317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025391/manifest.json
observed 4ee8d60d73efbc79d4270d2ea7353372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.481932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025391/publication.md
observed 564b6568522238642f315e1e3bf56b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.463055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025391/publication.txt
observed 09c36910d2d2d6e7b570cabc7befbab3...
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.