OpenTechnical

OT-2026-000061143

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000061143) never changes.

Identity and time

Publication numberOT-2026-000061143 · never reused
Internal UUID01a0ae8b-137e-7647-9e4a-f5403bdf9ebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061143
StatusPUBLIC

Content hashes

Canonical texte814a2060b1d407afb5ce39454c193052ac03642e390ee64b5a78047f689d6d4
Markdownaeab5618eacc55e66cf0cce90a645e16870d2aa121b9d30fdbb729427f399ec0
PDF
Publication page733ccee9b5c75a9fce26e3d123755b97f5d9278e4357e692627a55665035cf63
Manifesta35232a22ad53cd15ec1e60889d7830278c7e098dfe55ca37d75b200095b9bcd

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
SignatureLb8ZO3zmJ/jmZkQVnsNyZkw7dnS470INqTCOTN7RhqCI3QWMfgh+cgE8zEjDzEgO1DkfnV5urLDmPACXvlKVBA==
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

2026-09-17T10:42:31.448129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061143
observed 733ccee9b5c75a9fce26e3d123755b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.428795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061143/manifest.json
observed a35232a22ad53cd15ec1e60889d78302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.410709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061143/publication.md
observed aeab5618eacc55e66cf0cce90a645e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.392801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061143/publication.txt
observed e814a2060b1d407afb5ce39454c19305...
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.