OpenTechnical

OT-2026-000008699

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, vented 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-2026-000008699) never changes.

Identity and time

Publication numberOT-2026-000008699 · never reused
Internal UUID01a0ae6a-e46c-77bc-8729-263d592017df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008699
StatusPUBLIC

Content hashes

Canonical textf5254fb065a8c72d4a15bacd5ed62804fa0b4e4fc5595dad80a00431cf143e03
Markdownd4b41a685a11f73d17ce9f3c0b64fb04a8bae1d68da043e3d61def1e76f3a217
PDF
Publication page5638fc41e08f4b0239abcaa5cd5f7b6f0c9cc152a28f1e8f5baba11f86932ec7
Manifest285a6020829d6e6901a05f9346fe3648165545a88eb501de3b6a586ce86dfad5

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
SignaturelsAk9L/Yo47tdHUOW2swzA310QdbQAZo7xl/1aXDnkqYonv5xELPbyIwyz1sAhU0mbQufvJ8c1T5CpgoMAlzAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:46.146622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008699
observed 5638fc41e08f4b0239abcaa5cd5f7b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.127109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008699/manifest.json
observed 285a6020829d6e6901a05f9346fe3648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.107669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008699/publication.md
observed d4b41a685a11f73d17ce9f3c0b64fb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:46.083709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008699/publication.txt
observed f5254fb065a8c72d4a15bacd5ed62804...
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.