OpenTechnical

OT-2026-000060731

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000060731) never changes.

Identity and time

Publication numberOT-2026-000060731 · never reused
Internal UUID01a0ae8a-b7ce-7c7e-91d7-debe754ba32e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060731
StatusPUBLIC

Content hashes

Canonical text14068b9e28c80b0be28a347dd763672590033984e20976bdb31a08527cea4c80
Markdown97e12e78143f3e3aa63c8f814322588c2a932033b6935dfcbe72b29bd0bdb9bf
PDF
Publication pagee3efeba9b91930ac08e021e9220d40d021427d47361c6dba71e6bd9acfc25f00
Manifest08f209eb75d5d6ac0f4c636e0a77f2442d3b4725df625c54d82b7105d72c468c

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
SignatureIs350N6kW1fpg/19NZxewXhqw023dsImurWeVERzhxnarrxEUlSBctO2SyGUvEUpOFz6WKkdmgx93Nm33CJqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:27.841788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060731
observed e3efeba9b91930ac08e021e9220d40d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.823071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060731/manifest.json
observed 08f209eb75d5d6ac0f4c636e0a77f244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.803885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060731/publication.md
observed 97e12e78143f3e3aa63c8f814322588c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.784492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060731/publication.txt
observed 14068b9e28c80b0be28a347dd7636725...
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.