OpenTechnical

OT-2026-000100731

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100731) never changes.

Identity and time

Publication numberOT-2026-000100731 · never reused
Internal UUID01a0aea3-66f4-79db-9d43-be0d1b372889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100731
StatusPUBLIC

Content hashes

Canonical text4a362e43db576b3bd5eee04777d3abd4fe373940e60bf0e5f10f4f799e3ca632
Markdown06331f47b7286756ddfb338f3c5b2d445f0f6321fee7dba2c325c3b0d099bf18
PDF
Publication page53340c14d4230d8c8d678dd139845280cfc36a200e4cf101fbfe90a002f0c619
Manifest39b3d57014eb65d9a3d61d57685a3ad9cde1c9776c17d56ac143c5327e247b9a

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
SignaturewPvp+LavsBRL3edX4aLttUFsUsU6nSunQEXV/5ZhsDnu6Wo07+BGy9jWyUDEHg371z/0cGStopel2NJgVnC+CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:33.708952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100731
observed 53340c14d4230d8c8d678dd139845280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.691959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100731/manifest.json
observed 39b3d57014eb65d9a3d61d57685a3ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.674942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100731/publication.md
observed 06331f47b7286756ddfb338f3c5b2d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.657327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100731/publication.txt
observed 4a362e43db576b3bd5eee04777d3abd4...
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.