OpenTechnical

OT-2026-000073207

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000073207) never changes.

Identity and time

Publication numberOT-2026-000073207 · never reused
Internal UUID01a0ae92-efb6-754c-8cc4-342d4f7da5c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073207
StatusPUBLIC

Content hashes

Canonical text9dd3c8120b766c23b25355ba4e746e18f715f23d3604406f3daaa58771bc8520
Markdownadd90c8e66531e8580290ab2db68ce19e93ff3e7ac8d94ef1ac958b19ac77aec
PDF
Publication page6d935696139c563d27e9a84cc1dc4bcb3e9782769b68a1a143c924642af789ce
Manifest9a4dd94e03101d85ac3a4980b363a038b99fc167678dc23e76663a03ad446543

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
Signature5ai6NsISUygHNUFKzO8AZ/ttOn6gmQzK5+03m93ki/X6E6Hcrp2P0J/u7kTle8/WEj3JTJ24vfdUnif9QH81CQ==
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

2026-09-17T10:21:10.453046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073207
observed 6d935696139c563d27e9a84cc1dc4bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.433213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073207/manifest.json
observed 9a4dd94e03101d85ac3a4980b363a038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.415620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073207/publication.md
observed add90c8e66531e8580290ab2db68ce19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.394491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073207/publication.txt
observed 9dd3c8120b766c23b25355ba4e746e18...
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.