OpenTechnical

OT-2026-000081963

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000081963) never changes.

Identity and time

Publication numberOT-2026-000081963 · never reused
Internal UUID01a0ae97-0f77-7a39-ad23-f2f5d8d693b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081963
StatusPUBLIC

Content hashes

Canonical textcb5ded6bfa613a19dc055af624924d7f9710dd029ac2b624af27f46b3919e765
Markdownbc23c4971300d2a0869ea4540dac23a5820c938cca5bde5051fc80c776737cae
PDF
Publication page179d56e90baee62be56f9ccb595e6a67a2d2160e838994f219459f18b265ab88
Manifest7f62802c7299a8b9d4f8ad7112ba22c458a359a9e24a6d6a3f7a4c3c522ec1b1

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
Signaturei3gjpgzNYh61NiemyCTnoXv/lZ1s3YqSIBLRenJWVf2EPbuNndWcttj2lzp4wQow3DnnaNd1PWEQqMAJkIYABw==
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

2026-09-17T10:01:06.024133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081963
observed 179d56e90baee62be56f9ccb595e6a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.006945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081963/manifest.json
observed 7f62802c7299a8b9d4f8ad7112ba22c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.989683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081963/publication.md
observed bc23c4971300d2a0869ea4540dac23a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.972860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081963/publication.txt
observed cb5ded6bfa613a19dc055af624924d7f...
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.