OpenTechnical

OT-2026-000073716

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000073716) never changes.

Identity and time

Publication numberOT-2026-000073716 · never reused
Internal UUID01a0ae93-2b8d-777e-a6bc-9279819a97f3 · 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-2026-000073716
StatusPUBLIC

Content hashes

Canonical text08dd41ae08257d1f9ed65699e2e2002b3a67dd7a57dbf9f0f245ea1430a63797
Markdownfb4366a49d9d3295816a7e453d99bf15e7d6f064fa3a656d82c2a6f619316317
PDF
Publication page2500bd7ef66c624b8f1ad7a9ba6d0dc400c5ed98da9dd107ca7bdcb998207874
Manifestf29769a31e79db5d077f227256d80dc969811aa373e02194a8a8421d65c51cab

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
Signature3bJ6vcKSe3l5gRe9xdNc8ydaisZULF++iNjeWBwU/gOxjhpnyPVmKax8O4S8aPsFdtr4nq9CIE5vZAxE3nJ3CQ==
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

2026-09-17T10:19:47.333885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073716
observed 2500bd7ef66c624b8f1ad7a9ba6d0dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.314696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073716/manifest.json
observed f29769a31e79db5d077f227256d80dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.263426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073716/publication.md
observed fb4366a49d9d3295816a7e453d99bf15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.222511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073716/publication.txt
observed 08dd41ae08257d1f9ed65699e2e2002b...
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.