OpenTechnical

OT-2026-000025402

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000025402) never changes.

Identity and time

Publication numberOT-2026-000025402 · never reused
Internal UUID01a0ae71-5fa7-7ccb-bb0d-30535470030e · 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-2026-000025402
StatusPUBLIC

Content hashes

Canonical text31473d3b8e27391a2ff94010de9954d750d678b4557452cbbed50bd4483778d5
Markdown998244f59126ab7ea95fe282095a4471a2cd8bf018a26087828601e6b6b9af54
PDF
Publication page4d88a4d08d9ec7aea8fbd07ed0b1db24ac2d75c7ce013c068b6478436a8b361e
Manifestd0ac094c7406d3a6a55b15abc42ca235a50f7da1a343924c31709e089a5aca6d

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
Signaturef06oanOMY86j7FD4ADWYsfUpyU39NmgCpcmXwzCtotY2RL88JAlA9DcmYgfg49GkFYfs5zYiTb8aZhy8u/7kDQ==
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

2026-09-17T11:47:28.266995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025402
observed 4d88a4d08d9ec7aea8fbd07ed0b1db24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.246733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025402/manifest.json
observed d0ac094c7406d3a6a55b15abc42ca235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.229201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025402/publication.md
observed 998244f59126ab7ea95fe282095a4471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.210406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025402/publication.txt
observed 31473d3b8e27391a2ff94010de9954d7...
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.