OpenTechnical

OT-2026-000071719

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000071719) never changes.

Identity and time

Publication numberOT-2026-000071719 · never reused
Internal UUID01a0ae92-1e91-72fa-8c79-e0432d877cc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071719
StatusPUBLIC

Content hashes

Canonical text6d33106bcf6340f9912e0ba55ef0e5bf617c887b566b52638b98d3bf1583b0b6
Markdownb556b3a3e64f80375014eddb3a4dcfa0725d3c79d1e480098c8ce8aef4ac2e87
PDF
Publication pagea2074585980500e3c098976efb99ea02329c0d8c9b2acb06cf38182b9668eeb4
Manifestf5fbf84dca74cc7ac6e15f45ef9be5de13cd5607212782c87dd1af34cf07db73

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
SignatureEKLIUGBJ978XO9bWb12DK8GGuKQn9qvmmuC0zQ89Ds/ID5uAuGyIP1zkYMplGDftxqIRdKoJGQwJop1jDm6sDA==
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

2026-09-17T10:23:52.268228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071719
observed a2074585980500e3c098976efb99ea02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.250130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071719/manifest.json
observed f5fbf84dca74cc7ac6e15f45ef9be5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.232389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071719/publication.md
observed b556b3a3e64f80375014eddb3a4dcfa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.211008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071719/publication.txt
observed 6d33106bcf6340f9912e0ba55ef0e5bf...
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.