OpenTechnical

OT-2026-000065289

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000065289) never changes.

Identity and time

Publication numberOT-2026-000065289 · never reused
Internal UUID01a0ae8e-1dfa-7da1-94cf-6c9c32e4c5d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065289
StatusPUBLIC

Content hashes

Canonical text10f876d0964a0be7fd466023e52739bf34460085fc74f97245445eedb3ef63cb
Markdown4ea9a13abbd15bf726eedcbecb011deba36c4de7a061b653627e9e48bfd50888
PDF
Publication page3281489d2b6799d267f5bb975520d66f4418d3676b33ecd057956745c1789626
Manifest9a731c855e22255c97d6bcdc11959efad2c65c1729dfc201bfe70a013e8f8605

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
SignatureWXVzHbkb1mxVJYS41Yn9c/8H9ZJ0W48NJ4jHIATdprxIWbZ4N7XlVkMHwOknQ3ReFNe2LcKF9d/+bmg1Ypj6DQ==
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

2026-09-17T10:35:15.559532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065289
observed 3281489d2b6799d267f5bb975520d66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.541074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065289/manifest.json
observed 9a731c855e22255c97d6bcdc11959efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.524663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065289/publication.md
observed 4ea9a13abbd15bf726eedcbecb011deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:15.504967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065289/publication.txt
observed 10f876d0964a0be7fd466023e52739bf...
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.