OpenTechnical

OT-2026-000087785

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087785) never changes.

Identity and time

Publication numberOT-2026-000087785 · never reused
Internal UUID01a0ae9b-1aa4-73b9-88cd-eb0f3d137eeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087785
StatusPUBLIC

Content hashes

Canonical text1fb0c1d4ed3643664e5edd0e0e54f58bacaeeddd6c286ddc2f3244878033e821
Markdownd805a657acb036640cfd4e2e41a5eff5d6dfe2bdc4b685bfd8da75e80c1abc2f
PDF
Publication page5724a31c91918c7c4c13f073f36d9875c457b5e87bec9e4aef80ed22c1b7e9d8
Manifestf2a95bd34f0143c50fb8e5b41a73227440bbee3983870ad5ca37653d835dc3c8

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
SignaturePltY246kITjjoVhldpCkxxPTnzsPNql81LdzYmpBDuKydlk0T3BMkCgf7WUK+cwddWVlcw0FaOZFMnvc55AjDg==
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

2026-09-17T09:48:59.495049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087785
observed 5724a31c91918c7c4c13f073f36d9875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.476043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087785/manifest.json
observed f2a95bd34f0143c50fb8e5b41a732274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.457162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087785/publication.md
observed d805a657acb036640cfd4e2e41a5eff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.439255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087785/publication.txt
observed 1fb0c1d4ed3643664e5edd0e0e54f58b...
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.