OpenTechnical

OT-2026-000084569

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000084569) never changes.

Identity and time

Publication numberOT-2026-000084569 · never reused
Internal UUID01a0ae98-e25b-7f7e-b682-ab5979bf822f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084569
StatusPUBLIC

Content hashes

Canonical textd093ab43b0933d6effa5e3ba9df9c982b40da034e04c1e228ed6beefaa1a90b9
Markdownfbc61f1c566ff70bf5ed778f808f01423248033b773d8bfe53225c10a3ca854f
PDF
Publication page856625e5dfea0807791f48be6e5d6b50bc0a7248c46b5bfe9063e27d4223be92
Manifest81d464016d9ca72086b68d75d26eca1a4ffb4882b62a0e05b3b12aace4def77a

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
Signature0agYXNxtd2cL2y7FU5+MmIW34ZZy1ZcM/ufR9nous6ROVd9I1cARQB1pmDXNk1JIroj8OrwOqEnBzNA7JMreBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:27.908274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084569
observed 856625e5dfea0807791f48be6e5d6b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.891871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084569/manifest.json
observed 81d464016d9ca72086b68d75d26eca1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.875838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084569/publication.md
observed fbc61f1c566ff70bf5ed778f808f0142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.859431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084569/publication.txt
observed d093ab43b0933d6effa5e3ba9df9c982...
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.