OpenTechnical

OT-2026-000056230

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000056230) never changes.

Identity and time

Publication numberOT-2026-000056230 · never reused
Internal UUID01a0ae87-4bd1-7830-a15c-9e152e89f551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056230
StatusPUBLIC

Content hashes

Canonical text31d505560d7e90a7a8205a728c098362e019288a27bf53b8508b8d639d484b28
Markdowne1577ed9a848832cafe752d717fa98a5d5dfcb42a065289c74cb7638077aaf4a
PDF
Publication page4dfb3345b1c46dfad65fd02b3e0a71532b108f008746f09e89e077891c64c0d4
Manifest8eb8a9c4752cb14c2a55917622e09a672de2fc4235f91b57dbb657757ae92d39

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
SignatureYXEkhJloONOJn+2iHIPl8fd4bETx6gX7rHFlFiigV/axEw4Fv6ZVbnzA42CwUpEJ/PK72icJy0bimIaZgYA1BA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:42.508014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056230
observed 4dfb3345b1c46dfad65fd02b3e0a7153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.491618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056230/manifest.json
observed 8eb8a9c4752cb14c2a55917622e09a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.473448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056230/publication.md
observed e1577ed9a848832cafe752d717fa98a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.455031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056230/publication.txt
observed 31d505560d7e90a7a8205a728c098362...
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.