OpenTechnical

OT-2026-000057779

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000057779) never changes.

Identity and time

Publication numberOT-2026-000057779 · never reused
Internal UUID01a0ae88-6ed7-7c78-92b6-d7af2a0174ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057779
StatusPUBLIC

Content hashes

Canonical texta9f8c4866a9ae0faba9bb8a6b3283a15d6038b9571b1c9d83c8196a3bb17701e
Markdowna44563556303d6a6ffc3cf4cd973b5798c4032acb8ec6e988c88a613ee39a194
PDF
Publication pageb11f19cc76c1d89e97de2accccc972e025adeb0fb34130404013f4d9b8b131e7
Manifest112a3a7cfe09697a31f45dd1ef92060648b88dedd343ab7a38220329a387f2ea

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
Signature8KNuU2eFpRwKzzGAmswentXX2UVsE6n68CEJxV8yVpTRJLQJ19CqR8PnEdB162l8eagnPV8HrgJtCJMA30V5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:19.917718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057779
observed b11f19cc76c1d89e97de2accccc972e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.900803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057779/manifest.json
observed 112a3a7cfe09697a31f45dd1ef920606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.883090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057779/publication.md
observed a44563556303d6a6ffc3cf4cd973b579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:19.865664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057779/publication.txt
observed a9f8c4866a9ae0faba9bb8a6b3283a15...
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.