OpenTechnical

OT-2026-000018766

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000018766) never changes.

Identity and time

Publication numberOT-2026-000018766 · never reused
Internal UUID01a0ae6e-d521-72eb-be2b-9e5954e37a6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018766
StatusPUBLIC

Content hashes

Canonical text350f38fe763cdaed4a6d4fd780877c099e77707d1a5bb6be317b06d3e3f25286
Markdown39a85c3a16c3bbe4064b7d1f55a85eff3f600b805c57baaa9171654fe448b61b
PDF
Publication page059b54ef60c8d39ccae56c6014ba3b366b317d00789cec54cbf03f4d495b292e
Manifest13dbf58a4a79e8768e76fe01b33416c2f2e6103a69dc7037c297593f466b74c9

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
Signaturepc4tlQJOb4cTOrttqMm3eibBLo9YPckgnYrZbge2QUdVY4MwrAoGBL0RQvFXDP56QqVNgun55ia6TzHckbGYBQ==
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

2026-09-17T11:59:23.152514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018766
observed 059b54ef60c8d39ccae56c6014ba3b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.135902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018766/manifest.json
observed 13dbf58a4a79e8768e76fe01b33416c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.118335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018766/publication.md
observed 39a85c3a16c3bbe4064b7d1f55a85eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.100717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018766/publication.txt
observed 350f38fe763cdaed4a6d4fd780877c09...
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.