OpenTechnical

OT-2026-000022232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000022232) never changes.

Identity and time

Publication numberOT-2026-000022232 · never reused
Internal UUID01a0ae6f-f4fc-76af-8dbf-ca433909592e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022232
StatusPUBLIC

Content hashes

Canonical text517e9d36c45c1ca0dc50c8ef70f803366cb40aa7850e4db4dc41cb8a9e3a85a1
Markdowne8e3975b743c18f1923b159c014e7b7eba95bbf652c1996161a17b2494f3f250
PDF
Publication page4e847b8ac519209d9d3966bb709f83ec260d5ece34e7d3ea78f12866a5f04e76
Manifestcaf3b0aa10775cda286cff94bfa5a8e39a78da905a2ff3a9f379688e684dd56f

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
Signature56QOXJ9W3hzCkJ1c95PA59nervM/sthE1zqsOIXhlDMDzCaMejx+XyAQH2Y0wCynjl9RkXLU21TZbaw64ALmDg==
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

2026-09-17T16:42:10.501842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232
observed 4e847b8ac519209d9d3966bb709f83ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:10.268735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232/manifest.json
observed caf3b0aa10775cda286cff94bfa5a8e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:09.959729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232/publication.md
observed e8e3975b743c18f1923b159c014e7b7e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:09.752322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232/publication.txt
observed 517e9d36c45c1ca0dc50c8ef70f80336...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.455479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232
observed 4e847b8ac519209d9d3966bb709f83ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.430483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232/manifest.json
observed caf3b0aa10775cda286cff94bfa5a8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.410777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232/publication.md
observed e8e3975b743c18f1923b159c014e7b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.390019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022232/publication.txt
observed 517e9d36c45c1ca0dc50c8ef70f80336...
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.