OpenTechnical

OT-2026-000034339

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000034339) never changes.

Identity and time

Publication numberOT-2026-000034339 · never reused
Internal UUID01a0ae75-df0e-7b51-8a61-eeb740227d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034339
StatusPUBLIC

Content hashes

Canonical text74f7ef2dc0d6acda7de7945789b0f60063f118692333e89cb1fb57667830f208
Markdown67293595349a13b2f47918bd1e0b64cd062b923b9693c691d3625d2be6567abb
PDF
Publication page7ebf143cc41f4d29d5ead24a6e166de703d3eaaf853fc6fdff0b1d51b8e505da
Manifeste446634855c80bf7726c67174de628324fc9089dc68d0b4a8e8ef9051eceb977

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
SignaturecAL4kF1lW5aWpxEowBDUkAUMak8IuWBeJD4MfmRWohjRIeBdmQG4/PR8kISihh28yUNUf9U2lz3aBkG73292CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:02.250690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034339
observed 7ebf143cc41f4d29d5ead24a6e166de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.231168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034339/manifest.json
observed e446634855c80bf7726c67174de62832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.214571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034339/publication.md
observed 67293595349a13b2f47918bd1e0b64cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.194161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034339/publication.txt
observed 74f7ef2dc0d6acda7de7945789b0f600...
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.