OpenTechnical

OT-2026-000036951

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line 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-2026-000036951) never changes.

Identity and time

Publication numberOT-2026-000036951 · never reused
Internal UUID01a0ae77-773f-7ff5-b185-988e44e778a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036951
StatusPUBLIC

Content hashes

Canonical textc81c5b774f34d3bcdf41812be682f121f94aeb8a783e1c63e75ab3baaee332c6
Markdown559407833bf7d983769a77a3353c821c962ac4cca884a7385f87c34ad8d16dcd
PDF
Publication page27fd175678aa573754f650cfd0b905144e6427ee645b64a8c02fb4c42e4ad97f
Manifest3ef3b313a47b40d8cdb905a7fa593bc06be66468ee48b60fc3a1e67478c460fc

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
Signaturev5S/z13uCE4LEtFObtg4nJ+hZpYUTECY5JJUMFBlFQM/eLgmM3piBqpq7GuWM+6QOqc37xcCI2Il8beepW3SCg==
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

2026-09-17T11:24:36.196892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036951
observed 27fd175678aa573754f650cfd0b90514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:36.179756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036951/manifest.json
observed 3ef3b313a47b40d8cdb905a7fa593bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:36.162611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036951/publication.md
observed 559407833bf7d983769a77a3353c821c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:36.145660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036951/publication.txt
observed c81c5b774f34d3bcdf41812be682f121...
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.