OpenTechnical

OT-2026-000061982

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061982) never changes.

Identity and time

Publication numberOT-2026-000061982 · never reused
Internal UUID01a0ae8b-b8ae-7919-860a-e02626d02ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061982
StatusPUBLIC

Content hashes

Canonical textfa382d0b15834919a23e54f658b336358e0f943946e7bf99ce6d85447bf8cd1e
Markdownadccd45edfc977792a3f8e521d19cf11d42d6e84f50dd44019208dd9a06665a7
PDF
Publication page9f7fd013bcc06139b4dbe8bea7306d4c33ac07853246655b7b46403e4b72078d
Manifesta76815979ab589ab3b6fe7af1087991c69b5f62f3ee96a8d536b574d18dce969

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
SignatureVD5eVajvrioxTuj36xiWMHpqlZt0sLXFmF7T0X0n96JYqVemYw9gB8gWK8IRmuPka3b9rWyNRRiEx1GxLDVOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:54.484067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061982
observed 9f7fd013bcc06139b4dbe8bea7306d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.464634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061982/manifest.json
observed a76815979ab589ab3b6fe7af1087991c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.443761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061982/publication.md
observed adccd45edfc977792a3f8e521d19cf11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.422203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061982/publication.txt
observed fa382d0b15834919a23e54f658b33635...
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.