OpenTechnical

OT-2026-000058331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000058331) never changes.

Identity and time

Publication numberOT-2026-000058331 · never reused
Internal UUID01a0ae88-f398-72db-a607-9465bde64083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058331
StatusPUBLIC

Content hashes

Canonical text57ba1f806bb9d410e4081daf7543177344ed4d1a2d25db232fc57e71faedd7c8
Markdown1b2bcd4209924a165639090f69b7e78e9de5ae32d5c22ab5cc4ce4437c6eaa31
PDF
Publication page96403d3a5fcfaf96eb2d0e190ddf13153d112c60e49b5f0dfb5cef3e16fbeebe
Manifestefdf176df6448958d9a036abfe846aced2e5569c153f2be80e32a3c7fd385474

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
SignaturemJfN9eui+v2yuEYmmNAvgt6hq+AbGBO5FLPcmUd2h3kW55jMgyP1ru9Fxyh7kj98zUyKFj0iiAouKlX2AqadCg==
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

2026-09-17T10:46:44.394377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058331
observed 96403d3a5fcfaf96eb2d0e190ddf1315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.377079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058331/manifest.json
observed efdf176df6448958d9a036abfe846ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.361583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058331/publication.md
observed 1b2bcd4209924a165639090f69b7e78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.346408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058331/publication.txt
observed 57ba1f806bb9d410e4081daf75431773...
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.