OpenTechnical

OT-2026-000066657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000066657) never changes.

Identity and time

Publication numberOT-2026-000066657 · never reused
Internal UUID01a0ae8e-ce42-73e7-a263-8e36083858af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066657
StatusPUBLIC

Content hashes

Canonical text50a0cd66ad545cc7eda69a4bbb8f19de65bac302620325a497354324068b646c
Markdowne9546e1698688d499f706082a6aa10c4e062d70c3bd782bc20e3f5825bafd16b
PDF
Publication pagea2f89bc3a6e0506d5ae720f5a2875d57b1f5b1f6fa3da153a54e8b46c4f360b9
Manifest44566597f410fd2d5f0fdacd6f3e8143b622a7c9ba8a783214481b4bbd6052e9

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
Signature0rsvmFTXXVFkxKMG81Iw5xx6W8oIRBd0UUooLIT7TaJX874gcUdEOJltekorrfJXEZ6GzpUwFI9FuSgBh0gRBg==
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

2026-09-17T10:33:02.651943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066657
observed a2f89bc3a6e0506d5ae720f5a2875d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.631477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066657/manifest.json
observed 44566597f410fd2d5f0fdacd6f3e8143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.612712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066657/publication.md
observed e9546e1698688d499f706082a6aa10c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.595842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066657/publication.txt
observed 50a0cd66ad545cc7eda69a4bbb8f19de...
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.