OpenTechnical

OT-2026-000075494

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000075494) never changes.

Identity and time

Publication numberOT-2026-000075494 · never reused
Internal UUID01a0ae93-f202-746d-8627-f0cac2c5bd5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075494
StatusPUBLIC

Content hashes

Canonical text50d33eb66dc03a228a757e09c985f7d194bdfef483734c611da964f46feaf059
Markdowna247b5cecf0c0e40053df43e53ae7d6a6c769f44671b0fe154c7e406088062fd
PDF
Publication page52e3be68038d5baae3880d91b9b94ae904d2cc885dc851d28edcceea1a5318f9
Manifestaef90bd5e7fc418e7a63eae44a8964de908c4d78203337f3c2b9f4161b1b35bf

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
SignaturesgrN+Mpu7xdavnru8289JG50oEJR7Eri5vAi0Y3WoIeMj6uBPCHTHeUnWsht+DeQwDSMZqBGjgmwW/+xKlteDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:53.045336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075494
observed 52e3be68038d5baae3880d91b9b94ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:53.024769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075494/manifest.json
observed aef90bd5e7fc418e7a63eae44a8964de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:53.004298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075494/publication.md
observed a247b5cecf0c0e40053df43e53ae7d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.984760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075494/publication.txt
observed 50d33eb66dc03a228a757e09c985f7d1...
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.