OpenTechnical

OT-2026-000014839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000014839) never changes.

Identity and time

Publication numberOT-2026-000014839 · never reused
Internal UUID01a0ae6d-d094-7410-ae37-a71b60bcb969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014839
StatusPUBLIC

Content hashes

Canonical textb4fa25a0dd625834087031776d672a93260bde0fa458e63516f09bb60a079e1d
Markdown9ee5c3b1b22248bab45d4f3cb36b04c920f6a7c4062cd78c697551ca227395ed
PDF
Publication page2de5335f7a3a80966298918bea38d209d36b16c8cdbf63d71254ff11858936d7
Manifestde6f9433c3d2b92c4b71aa1dd0b795438bc48e69dd51f7346582aaba799b4669

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
Signature99DUqOwG+ApeAJS85AFZL+JsaDKTuopF3JCSv7d2x+jwYmlG2K4+Gnzi9TrUDyDyg66Bvgk3KV8BpBdphBU5Bw==
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

2026-09-17T12:06:44.914911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014839
observed 2de5335f7a3a80966298918bea38d209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:44.899044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014839/manifest.json
observed de6f9433c3d2b92c4b71aa1dd0b79543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:44.882346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014839/publication.md
observed 9ee5c3b1b22248bab45d4f3cb36b04c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:44.862869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014839/publication.txt
observed b4fa25a0dd625834087031776d672a93...
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.