OpenTechnical

OT-2026-000078029

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078029) never changes.

Identity and time

Publication numberOT-2026-000078029 · never reused
Internal UUID01a0ae95-2f44-7957-91ae-f162920ca82c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078029
StatusPUBLIC

Content hashes

Canonical text62fd4cab52576d14b6520fb37430fa288c485e1a3cc4f8b6dda2ba48498618ee
Markdown30c64b8f3cd8f8b5d44884632c7203937c776c883d24cf3e482530d1d576c1b4
PDF
Publication page73bf3474705e7bfd39cf9de5062f6fbd67ae2b63244f7a960b173269edaaf006
Manifest89eb449ebf58323d09d8831ae188ead116b17d77655ae374b9036601accb82df

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
Signatureez4hVIVSWH8tmytIQiVR8rn4L9ZH8UkMA5aaZOHvbImk0zGFi+0eL2v5SbKR1ISadICr+a4oWpq/PCS6p+4wCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:43.786703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029
observed 73bf3474705e7bfd39cf9de5062f6fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.766423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029/manifest.json
observed 89eb449ebf58323d09d8831ae188ead1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.745968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029/publication.md
observed 30c64b8f3cd8f8b5d44884632c720393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:43.725295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029/publication.txt
observed 62fd4cab52576d14b6520fb37430fa28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.207498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029
observed 73bf3474705e7bfd39cf9de5062f6fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.190173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029/manifest.json
observed 89eb449ebf58323d09d8831ae188ead1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.172780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029/publication.md
observed 30c64b8f3cd8f8b5d44884632c720393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.155068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078029/publication.txt
observed 62fd4cab52576d14b6520fb37430fa28...
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.