OpenTechnical

OT-2026-000076300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000076300) never changes.

Identity and time

Publication numberOT-2026-000076300 · never reused
Internal UUID01a0ae94-6a70-7d2b-b463-f4b0007038f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076300
StatusPUBLIC

Content hashes

Canonical textea18e913c89bbfb72fb57e9ffa025e562ff79955fe1d62ab60d146de32948ef8
Markdowna68a2a1fdd5245f3f4c49d44744da846aa0d91e7d48810e136a474207d6a4ad5
PDF
Publication paged8981394a219a021ccbcfebc703e6436cf174b54c3be66bfd61800762003c969
Manifest866dac77dbaae70fad8cbec1f6616ca98ab325260896bd8b630e5eb0614be387

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
SignatureX75Tm9UArk28iBlU0L9Z33b34b9mMGxmYdJvLo6WK+waIJkArvzgQUEqZbwXCfw3i8p1CA1go4VhRdfPofgWDg==
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

2026-09-17T10:12:08.054569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076300
observed d8981394a219a021ccbcfebc703e6436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.032503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076300/manifest.json
observed 866dac77dbaae70fad8cbec1f6616ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.012536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076300/publication.md
observed a68a2a1fdd5245f3f4c49d44744da846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:07.992359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076300/publication.txt
observed ea18e913c89bbfb72fb57e9ffa025e56...
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.