OpenTechnical

OT-2026-000059072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000059072) never changes.

Identity and time

Publication numberOT-2026-000059072 · never reused
Internal UUID01a0ae89-8611-716f-b664-c3668c4b1100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059072
StatusPUBLIC

Content hashes

Canonical textb7165d884a5ed1f2429b534009dba2204a1e3a232867a4051d887fe4f39e5210
Markdown9f67e779ce5fb11548f337e8f458b4a2264fd512ece85dad282bde9d49dfe277
PDF
Publication page0fed8918c689a29a060ea0c319f27ebdbdfd1f40c0e828d9d4b69c5d8ecae86c
Manifestaf4103d7250f5cefa8c8ef7f246709527425b57c066c7ff748cb6672e08a8a6a

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
SignatureftuHS6aIoo/9TUsET27NlKJoUrpGuvz9pwuk6lX8D6oidXjmU33XZHszFU5b/+OaYZN4NTBDseYLEF1d5pSGCg==
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

2026-09-17T10:44:53.836751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059072
observed 0fed8918c689a29a060ea0c319f27ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:53.817967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059072/manifest.json
observed af4103d7250f5cefa8c8ef7f24670952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:53.799478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059072/publication.md
observed 9f67e779ce5fb11548f337e8f458b4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:53.779865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059072/publication.txt
observed b7165d884a5ed1f2429b534009dba220...
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.