OpenTechnical

OT-2026-000067327

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000067327) never changes.

Identity and time

Publication numberOT-2026-000067327 · never reused
Internal UUID01a0ae8f-6bd7-7d90-b298-e191ed935cf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067327
StatusPUBLIC

Content hashes

Canonical text175ad13ca5dbe252476014de557fa314c9b204ac1f7ff37b0ac080129a5bfd32
Markdowne81beac08585d168c06f650964eead4940dcbf17fa8bb0bc6bd05f3bb4fddfbe
PDF
Publication page3488a04a3be481ae45d080aac6e753e41ba26dd0d31df85319a04f88393a624d
Manifestd1353bfca5a1a30a4e6bbf50bbaa1f8768e309d6e62aa162875cc5d648e612fe

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
SignatureQq2SgHCIwist3C9m/6fEsxNEf9icYZWw4rarz7uc00VVvS7by98sDptQxVsGvWCSzcWtCiNdIxgv0B86dcXLDg==
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

2026-09-17T10:31:30.537469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067327
observed 3488a04a3be481ae45d080aac6e753e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.520475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067327/manifest.json
observed d1353bfca5a1a30a4e6bbf50bbaa1f87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.501929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067327/publication.md
observed e81beac08585d168c06f650964eead49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.483871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067327/publication.txt
observed 175ad13ca5dbe252476014de557fa314...
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.