OpenTechnical

OT-2026-000017267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000017267) never changes.

Identity and time

Publication numberOT-2026-000017267 · never reused
Internal UUID01a0ae6e-76c8-744d-8d46-2fd25037dd06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017267
StatusPUBLIC

Content hashes

Canonical textb8ec3678835cefb1f193c92e6fe9b735656680f2601b722453dacdd8eaa46b6a
Markdown174574a1f85594b4001b39909776e4ef9a5d423327eccde6b2b3a998f57e0ef3
PDF
Publication page2c862a3102aa39ce5ecdbb72cb8f30ef447daf04700fea880665e8b142179c4d
Manifest24cdbd4f3ffbd5cfc61a0e8ec31be748823adc0ec33350dde79d383a3852d29a

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
Signature1L72EsxPbZei74wAyHaFH2R44gDqYvA3dB4f2YPUbLuT/RbaCaQb8ribWsNZFzLhOOtxKrPbu7btpQVgmaDjDQ==
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

2026-09-17T12:02:21.570389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017267
observed 2c862a3102aa39ce5ecdbb72cb8f30ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.552353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017267/manifest.json
observed 24cdbd4f3ffbd5cfc61a0e8ec31be748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.533588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017267/publication.md
observed 174574a1f85594b4001b39909776e4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.515448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017267/publication.txt
observed b8ec3678835cefb1f193c92e6fe9b735...
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.