OpenTechnical

OT-2026-000073810

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000073810) never changes.

Identity and time

Publication numberOT-2026-000073810 · never reused
Internal UUID01a0ae93-2b8d-7605-a5ee-ef00325ddf3a · 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-2026-000073810
StatusPUBLIC

Content hashes

Canonical text8c132c5d8a19e48313e41daad7c7015bbffe8d8fba1467c4ffda5de65d1a0bfb
Markdown68f90db085f187096863642ba6bdb97885c7f4827240967acb35f0fdff86f2bf
PDF
Publication pagef99feb94a0b46f34a389e1da6ac1cb6d4685fb71f89326fd1256c9d9f0cb2334
Manifestc9cd0e189396bcc89dc429aab62ece13354540917e67d796cf7518cf4f1afb42

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
SignaturevcGXDpQw6sJZc94ZtrruuUMxdlSSX5Wh0a98thMFQP83b/GLqBCCEKWLJMpEGTLlbB8GBjFIcZl7c3JdcN+pBA==
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

2026-09-17T10:19:55.841668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073810
observed f99feb94a0b46f34a389e1da6ac1cb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.821960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073810/manifest.json
observed c9cd0e189396bcc89dc429aab62ece13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.802347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073810/publication.md
observed 68f90db085f187096863642ba6bdb978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.783319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073810/publication.txt
observed 8c132c5d8a19e48313e41daad7c7015b...
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.