OpenTechnical

OT-2026-000014077

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000014077) never changes.

Identity and time

Publication numberOT-2026-000014077 · never reused
Internal UUID01a0ae6d-8deb-7bd7-98b6-5a70d927bb23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014077
StatusPUBLIC

Content hashes

Canonical textd365d9469e43e77b9bda52e2865e1ce67acfcf6f3762761581eea5aaa9fe258a
Markdown07185114c0ca0a167d5558acd99991d0372b725f65d9675d7db95ad0810bd1d3
PDF
Publication pagefe1a4aa2ce2638204877a99f6735c7b068ad35b348db2909615e57dfeba13c05
Manifesta812d23218a8ac0bd48b4c1200a601d8804924e065f32fe1718a1f7a7ed12092

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
Signature8ULPhEQP9kIrmXWOo2ibh8papKpfKz5sYU9q0iYnVK7FjrCu8cCUT2LhTDwPi95PYk3bCkeCgkTPlkXrLVkWDA==
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

2026-09-17T12:09:19.601490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014077
observed fe1a4aa2ce2638204877a99f6735c7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.581752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014077/manifest.json
observed a812d23218a8ac0bd48b4c1200a601d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.564128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014077/publication.md
observed 07185114c0ca0a167d5558acd99991d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.546857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014077/publication.txt
observed d365d9469e43e77b9bda52e2865e1ce6...
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.