OpenTechnical

OT-2026-000064799

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000064799) never changes.

Identity and time

Publication numberOT-2026-000064799 · never reused
Internal UUID01a0ae8d-debb-7649-b8ff-6e1752d61a65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064799
StatusPUBLIC

Content hashes

Canonical textab2ab7f93c063771cf7f76f27b2d1ab17883a08e95352fe9b672a080301fa372
Markdown245eeb929e443deb1ef3cc0cd8d1223b0528ea29422375b063aebf40fc285cbb
PDF
Publication page37a7a2352e8345a4a3a353eb640d1190c1f579da3b7757100e9f8b3e5b8ee34c
Manifest365c3730c97b1319fc2794838c4eec1134f59624d7c16189cabc8bb94a771d51

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
Signature+MOzxELYkQs1EvqAMRpM1TbXhduAmLJ7dxv6iU3q23uu4rNV1BST5ltOyHWzoqVjJ+LezQwnQr6wv1hvx7FVCg==
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

2026-09-17T10:35:41.974104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064799
observed 37a7a2352e8345a4a3a353eb640d1190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.955355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064799/manifest.json
observed 365c3730c97b1319fc2794838c4eec11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.938395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064799/publication.md
observed 245eeb929e443deb1ef3cc0cd8d1223b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.922005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064799/publication.txt
observed ab2ab7f93c063771cf7f76f27b2d1ab1...
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.