OpenTechnical

OT-2026-000034659

Publication integrity record

Four cup vacuum gripper, four zone face, single 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-2026-000034659) never changes.

Identity and time

Publication numberOT-2026-000034659 · never reused
Internal UUID01a0ae76-1ed1-71bc-9249-643f05e2fb70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034659
StatusPUBLIC

Content hashes

Canonical text4d2ff8d4ce54cba7aa2b6a5a6152672f2432f9bbaa5d99f3af667db29e02bbf1
Markdowna944764e6023fd0e0f2a303db1f53eb91ab8b3fb01d441a382ad655a66850aad
PDF
Publication page40d38b6fc5df8e499349651c0b3dd46c8889e5421d7b6c564479d1998e0f09c3
Manifest536bad8e105bab77a4db0b6ee8fb879ddfaccf5c8dc83baee5cbe70eeae05333

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
SignaturekoDxjEjOQQVgBOaSuv5PJIXQ4x2NuWoS3/KiunMIHY8AEXlYEPwM9N5+gZ69JtTfrlsKTGLA9rPwrPPGNxV3DA==
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

2026-09-17T11:29:03.115465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034659
observed 40d38b6fc5df8e499349651c0b3dd46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:03.096014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034659/manifest.json
observed 536bad8e105bab77a4db0b6ee8fb879d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:03.077664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034659/publication.md
observed a944764e6023fd0e0f2a303db1f53eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:03.059764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034659/publication.txt
observed 4d2ff8d4ce54cba7aa2b6a5a6152672f...
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.