OpenTechnical

OT-2026-000064051

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000064051) never changes.

Identity and time

Publication numberOT-2026-000064051 · never reused
Internal UUID01a0ae8d-53bd-75f0-b534-919e957e1126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064051
StatusPUBLIC

Content hashes

Canonical text842306b5338b2d23771534f7b8a33b4fcc1c60daaf80748f4edc5d406cfb35f5
Markdown0e0d2bc8bf8c535f6e30a0db4c63c554a9588ba3dfc4fb84159a7561e0b83ae0
PDF
Publication pageaffcb62b61ddc95ade0598fa6c4a4807f30a54194aa1f649376e749e9f63710e
Manifest737a0c90aee505dcbd5d19b160398d5b8f1b28057d48a275eec54a54317d3be4

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
SignatureBYE8u6avpxTlSqaSDrRjTSIFOuy+Gxkb9r5A/NgHIr4ppUlQCLv/kbKTOTzky3SvKCvZESDzhFl7rg5jpHOBCQ==
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

2026-09-17T10:37:08.697846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064051
observed affcb62b61ddc95ade0598fa6c4a4807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:08.677721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064051/manifest.json
observed 737a0c90aee505dcbd5d19b160398d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:08.657153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064051/publication.md
observed 0e0d2bc8bf8c535f6e30a0db4c63c554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:08.634372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064051/publication.txt
observed 842306b5338b2d23771534f7b8a33b4f...
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.