OpenTechnical

OT-2026-000073931

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold 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-2026-000073931) never changes.

Identity and time

Publication numberOT-2026-000073931 · never reused
Internal UUID01a0ae93-2b8e-7234-b8fa-de1334935201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073931
StatusPUBLIC

Content hashes

Canonical textce2da793bed4ccb7e59bb9d7984c9883148a67d3f07034153dfa4fa5773421d2
Markdown0b80f58a0a228f370a0b5e4399600cf1df2cdeb7140b5f518c1738024a98079b
PDF
Publication pagef8ed5baf3e4c124ee0cfd9440212cba327f1cd3ebeba68cce71602a0d9376e85
Manifestf991ea44ba7a907bdd43f001404f14415e02dbc5ae976b54dbe4c39e9e41f625

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
SignatureyystaTSVxz7g6RUxXCsKzNEGiRJziLMeWqcrum+kO+PSZsl2XKaAelXyv8oAZl7nRUWz8qRvF7JePsD2Pq2JAw==
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

2026-09-17T10:20:12.798648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073931
observed f8ed5baf3e4c124ee0cfd9440212cba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.778980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073931/manifest.json
observed f991ea44ba7a907bdd43f001404f1441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.758765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073931/publication.md
observed 0b80f58a0a228f370a0b5e4399600cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.738182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073931/publication.txt
observed ce2da793bed4ccb7e59bb9d7984c9883...
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.