OpenTechnical

OT-2026-000084699

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000084699) never changes.

Identity and time

Publication numberOT-2026-000084699 · never reused
Internal UUID01a0ae98-e25d-7445-85ce-caa86333f43e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084699
StatusPUBLIC

Content hashes

Canonical text727afc834cd5dbf4d2f6b7d8b5b199366ab7982d75a84cc45704994294831eb8
Markdownec9f7fb9aa138e690e7f560cc16b70251bea4bcad92770121f8ab79e8db35033
PDF
Publication page6d60a60afcddc447c909aea95be383a821b0e24fe2987115e575356e49f241b8
Manifest8019d90bf6882ceaa3899a2132e566075cb7eac07ae59662ceb90b7189af628a

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
SignatureFY6UNN8IYIbW6FTNk63gBevyQOGhhTHDHcQIW56OlU2RWZTBVNOqpgbPAchjiRlDYdAL3Igc+9lWpjqKEd5uDw==
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

2026-09-17T09:55:37.851610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084699
observed 6d60a60afcddc447c909aea95be383a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.831800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084699/manifest.json
observed 8019d90bf6882ceaa3899a2132e56607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.812321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084699/publication.md
observed ec9f7fb9aa138e690e7f560cc16b7025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.793885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084699/publication.txt
observed 727afc834cd5dbf4d2f6b7d8b5b19936...
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.