OpenTechnical

OT-2026-000087519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000087519) never changes.

Identity and time

Publication numberOT-2026-000087519 · never reused
Internal UUID01a0ae9a-cd51-7cb8-ab6d-2cdd639bdd2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087519
StatusPUBLIC

Content hashes

Canonical text6d649e43c84d4fe12d4c81017d19c8931a284b48d3cd950f7730b1525ae5b0fa
Markdown1537ee8ae3821fc30299ca2aad41c8773cf36eb6de5014f765d09856e8692cde
PDF
Publication page962588e8bac643825755f90830988f0071948da1945d55e8d8c6fb9e28359385
Manifestc69a7e7e237d43f059ea6aa2687d8b2aac8ab754f37a5699ecb4d2fa97e1ef9e

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
SignatureXjzIF2/f6xT/UbetbaP9PWK9Vrzc1gP+aOR9NAmP+LDfs98oTjlLZ5HaEYCGO9+SSDQZeaf4mq7qHCLbXpF+Dw==
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

2026-09-17T09:50:51.322975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087519
observed 962588e8bac643825755f90830988f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.305251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087519/manifest.json
observed c69a7e7e237d43f059ea6aa2687d8b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.287497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087519/publication.md
observed 1537ee8ae3821fc30299ca2aad41c877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.268952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087519/publication.txt
observed 6d649e43c84d4fe12d4c81017d19c893...
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.