OpenTechnical

OT-2026-000058249

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000058249) never changes.

Identity and time

Publication numberOT-2026-000058249 · never reused
Internal UUID01a0ae88-f397-7a57-8a18-e6ea0487537f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058249
StatusPUBLIC

Content hashes

Canonical textf6639a451274a2f675dd6add75dc4535342302199cf849624653637394dc1440
Markdown7fe0aa492de629475b306513990d90ae6b5cc13c084820fd872afefafe28ab3c
PDF
Publication page354de173c97f0bb597627e5a65dc5e1ae969516bc59a51367fda42e46caa1bd2
Manifestb91a111e8226e7124e5f19cfa4e892b5f608d1fdbce0ef6b011ba2a0b566f135

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
SignatureAkQaeNPNaMPA/5ElGL0pWeMnCRqcudLrxw7xikgo9MuL/0CQNZJb3yYHzHnglNy92tUm2PRNRmWQDUCinZ/LBA==
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

2026-09-17T10:46:37.801004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058249
observed 354de173c97f0bb597627e5a65dc5e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.783314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058249/manifest.json
observed b91a111e8226e7124e5f19cfa4e892b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.765672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058249/publication.md
observed 7fe0aa492de629475b306513990d90ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.711648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058249/publication.txt
observed f6639a451274a2f675dd6add75dc4535...
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.