OpenTechnical

OT-2026-000016417

Publication integrity record

Two cup vacuum gripper, two 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-2026-000016417) never changes.

Identity and time

Publication numberOT-2026-000016417 · never reused
Internal UUID01a0ae6e-2d13-77a5-b88b-88372c99c61e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016417
StatusPUBLIC

Content hashes

Canonical texta7a5572b452683dde3e4811f20b1afee813a9541cbb90ffe084aa9fa77a48bde
Markdownbbe97093bb153beff69f0242a895cf6f2803c2b79f8503843783db3130c64d06
PDF
Publication paged3b823f66333045a20d27ceab05495157d5f345b8c93e9f27fc3d1f7e33c0166
Manifested2be206dd460522c877d78b11b2174e1fdab5fbdf77f55331e1c559537a1b7a

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
SignatureznFx1L0lIZXDUrWfcPAAn/TylwnEfxBBadJtTPadhHQSnhouTc3e6+f22P79p1QFmDmWSoPd7PEfZgB5d6I9Aw==
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

2026-09-17T12:04:30.467299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016417
observed d3b823f66333045a20d27ceab0549515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.447392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016417/manifest.json
observed ed2be206dd460522c877d78b11b2174e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.428766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016417/publication.md
observed bbe97093bb153beff69f0242a895cf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.410106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016417/publication.txt
observed a7a5572b452683dde3e4811f20b1afee...
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.