OpenTechnical

OT-2026-000074504

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000074504) never changes.

Identity and time

Publication numberOT-2026-000074504 · never reused
Internal UUID01a0ae93-717a-7a15-8282-40087e1b4a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074504
StatusPUBLIC

Content hashes

Canonical text567f3d27fbc88adc7a9328bdf95e9d7d5751f471cb6f8f2672cecbaf9f6d1dec
Markdown5a2219d98b9cca1d05ec8365a02849092393d0160d16701278735aad778ce504
PDF
Publication page41f412b35ce855a5b3255242e1c33de36eb251e6d7b020687c97a64f52754756
Manifest876092268efee60c6091eed6bb17d70f570d9864962c8d5b57a085741e65af93

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
SignatureJj6/NA4Rbgy+Ao+g3tuTnicnYKSq0+eClc571AjPrrlH3Yq9z+0syR4B6SUVRTBmHKXrr5uk6kYDT4QRqJbMAQ==
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

2026-09-17T10:19:28.564527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074504
observed 41f412b35ce855a5b3255242e1c33de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.547568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074504/manifest.json
observed 876092268efee60c6091eed6bb17d70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.530318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074504/publication.md
observed 5a2219d98b9cca1d05ec8365a0284909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.514398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074504/publication.txt
observed 567f3d27fbc88adc7a9328bdf95e9d7d...
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.