OpenTechnical

OT-2026-000083672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000083672) never changes.

Identity and time

Publication numberOT-2026-000083672 · never reused
Internal UUID01a0ae98-0416-7bd3-bccc-e42107c35718 · 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-2026-000083672
StatusPUBLIC

Content hashes

Canonical text87a06e9bcfff498eb57a77f91177bb21a6577aec238d3208a44eb1385ef78355
Markdown6551dd878871541438a0e687087c6056d47ce7d1ecab63b067131882a43521b3
PDF
Publication page10c64c6ed55a31f24cf7938c681fa5cb208fe520caf06f4a8962b0a67cd76f2d
Manifest3a559750bcc85dd499abe0d896c224eff46cf179fe629e70639d09c5bc76f315

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
Signature1+xUjmz5YsUxd0N3IltUCDsU6V+c9I0ZDE3YU3CYc1H6A0YmTw966Wcwg3IzFpgHtV3gnNZDdk0rrlQTq+WCCA==
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

2026-09-17T09:57:17.707033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083672
observed 10c64c6ed55a31f24cf7938c681fa5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.691180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083672/manifest.json
observed 3a559750bcc85dd499abe0d896c224ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.673960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083672/publication.md
observed 6551dd878871541438a0e687087c6056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.656565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083672/publication.txt
observed 87a06e9bcfff498eb57a77f91177bb21...
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.