OpenTechnical

OT-2026-000015648

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000015648) never changes.

Identity and time

Publication numberOT-2026-000015648 · never reused
Internal UUID01a0ae6e-0c4b-7d4f-9bce-cf7b2615b439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015648
StatusPUBLIC

Content hashes

Canonical text484cd7676aca8cfa9a9566788b88fd8d43bb8ed2bcd4e612caca28ab610e0743
Markdownf21fa203a0de479b62bc19e6b9580736c32ac12a123b76d5a8fbf295e44ddef6
PDF
Publication page142b4b7a5ede568b8ca3400e4638f1aa850c003340523ecaa38f92bceaa7cf1e
Manifestf7d79ce56eb4eeda529bbc7856a99e7a4c5045a77100db59b68adb88e00d88ab

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
SignaturemAUlteqUXuvDmX4c6QuRWcXcsoswS5iZBGAGunSQIlWRpSXJq3+TyzVJuo5PucFOnXOwW+yLqjPlYSs0a5J9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:54.433763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015648
observed 142b4b7a5ede568b8ca3400e4638f1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.415467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015648/manifest.json
observed f7d79ce56eb4eeda529bbc7856a99e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.396072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015648/publication.md
observed f21fa203a0de479b62bc19e6b9580736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.378013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015648/publication.txt
observed 484cd7676aca8cfa9a9566788b88fd8d...
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.