OpenTechnical

OT-2026-000103826

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103826) never changes.

Identity and time

Publication numberOT-2026-000103826 · never reused
Internal UUID01a0aea4-e463-79d2-bc2a-db17b7c922d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103826
StatusPUBLIC

Content hashes

Canonical text4c75d6fcf5b9cfaab4ad92b85bcd6b1f764d564d4fa9b0d89b6412eaa939048b
Markdown474d8d2b303f95215fee41f52addbd0d6acabac7def489984f2a4f270528a8ef
PDF
Publication page41e56ad3cc538fa20c552c69c2773b394fb14e94ac0854ddff9be0fb78a15f50
Manifest7de87b23e5d1e87f453d4db366641bfb56c8437b3999ad84f791b811fb815999

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
SignatureL8haC/zfSUOysDIRJPQWm0NZJMRlHQjKXmucGPoUO/2CtpcScaa3QXIDxT20/I48sSGlQ96EpJKBDlfHf7aQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:47.051000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103826
observed 41e56ad3cc538fa20c552c69c2773b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.034742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103826/manifest.json
observed 7de87b23e5d1e87f453d4db366641bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.018111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103826/publication.md
observed 474d8d2b303f95215fee41f52addbd0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.001659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103826/publication.txt
observed 4c75d6fcf5b9cfaab4ad92b85bcd6b1f...
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.