OpenTechnical

OT-2026-000069269

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069269) never changes.

Identity and time

Publication numberOT-2026-000069269 · never reused
Internal UUID01a0ae90-b528-7d32-9245-aa48bb907d07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069269
StatusPUBLIC

Content hashes

Canonical texte5ed9b54e663c081bed4e472e27fc0efd3aea97ff0502f9163cc3ea6d03d1d82
Markdownde903a761f811b7aee71a95b0b36706704ba7312902921ee13367d6c5b6bd37f
PDF
Publication page435ad2f378c6abb5bd75354787ce1b7cd17fd5e1cbc46436e533fcdf665aabea
Manifest7246e32a483c6e0ff19d1ac241672f4c6ebd3b25212dbe4a506108df7dc4f179

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
SignatureuALa5OEFQhPUOF8q29XS90uySIUrKMBAYEKLqIjYFQWo3ZxlXk9l8P8ew8zoill4T13jtJeeq5BLa6ZY4VDxDw==
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

2026-09-17T10:27:21.122332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069269
observed 435ad2f378c6abb5bd75354787ce1b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.104591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069269/manifest.json
observed 7246e32a483c6e0ff19d1ac241672f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.085686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069269/publication.md
observed de903a761f811b7aee71a95b0b367067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.065026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069269/publication.txt
observed e5ed9b54e663c081bed4e472e27fc0ef...
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.