OpenTechnical

OT-2026-000057144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000057144) never changes.

Identity and time

Publication numberOT-2026-000057144 · never reused
Internal UUID01a0ae87-d5b9-708b-8510-9564c4dfca5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057144
StatusPUBLIC

Content hashes

Canonical text9dd06a98426bdc388164c1e407a66577c390063d6a89d9996553d2428b2460ae
Markdownbc24121a6e6bb70e111a2a51b9252855f2ec288ffae3c8e135632cc7ffae460f
PDF
Publication page828f25bf66f9b336e89bf57cc3a766fce498ac5bc47706166974c9156a6fc84b
Manifest87782f85d6efcfe2b893339fa786cb665c88801ec38b4e8cba09562da7015698

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
SignatureMvNHD4tG6YkQqxrK4LSQAzfTkLGZBQnFHXw4CydJWDxbpXk5U6xPZ2JVlHkhIi3v8o4qUD4Ere1Bt+lnKqVoBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:09.041932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144
observed 828f25bf66f9b336e89bf57cc3a766fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.021633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144/manifest.json
observed 87782f85d6efcfe2b893339fa786cb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.001110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144/publication.md
observed bc24121a6e6bb70e111a2a51b9252855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:08.983237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144/publication.txt
observed 9dd06a98426bdc388164c1e407a66577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.404790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144
observed 828f25bf66f9b336e89bf57cc3a766fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.387259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144/manifest.json
observed 87782f85d6efcfe2b893339fa786cb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.369811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144/publication.md
observed bc24121a6e6bb70e111a2a51b9252855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.352382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057144/publication.txt
observed 9dd06a98426bdc388164c1e407a66577...
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.