OpenTechnical

OT-2026-000083590

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083590) never changes.

Identity and time

Publication numberOT-2026-000083590 · never reused
Internal UUID01a0ae98-0415-712c-85a1-a97f45e2b55e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083590
StatusPUBLIC

Content hashes

Canonical text61b81dd6d6e6b6c936e899f3178a8ee58af965c4a8013f5f23f58bad9072e7bf
Markdownf4c4029f684890f68a46b5ec2da777690433452e373b3d867e45463f5841e4ce
PDF
Publication pagec54c700a736d4857999ae7cf05eae871457967241d6df7a36377e652cf976813
Manifest9f585796a21c495e3ec9ff743807d4044537ed6c8a2f449b0bb30d4069eac103

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
Signaturegb1/8GhImF4RZLKnYQisykas4z4lqFagXlh2fINlzq3IipDKAue60XXF1sAICSdMR5rhtFpmO5C4qvYXmQwuCw==
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

2026-09-17T09:57:04.974948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083590
observed c54c700a736d4857999ae7cf05eae871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.957191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083590/manifest.json
observed 9f585796a21c495e3ec9ff743807d404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.939467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083590/publication.md
observed f4c4029f684890f68a46b5ec2da77769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.923092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083590/publication.txt
observed 61b81dd6d6e6b6c936e899f3178a8ee5...
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.