OpenTechnical

OT-2026-000072123

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000072123) never changes.

Identity and time

Publication numberOT-2026-000072123 · never reused
Internal UUID01a0ae92-47c1-72df-86e1-2a55b214f6dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072123
StatusPUBLIC

Content hashes

Canonical text30a4e35119f60ab56fe41c49ee6609121066df93694df309ee2528a091cd42e3
Markdown0048a3dd44b5300104fb8be225a75941ef2ca90fe84a04e301ba4241c1366dbd
PDF
Publication page918a3a6bd48a746f707c7645efee57e4f9d0c03a15198193349c109fe15a7f3b
Manifestdc1ee8ed233f455a81f6e06b4b1ff204860c7d59ba075c8fed562b00d7200b21

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
SignaturetkZVAkvGEk/pm1Or07D2O6lcg9AQXSiweerPBCqCqf4rSGhxqhomDZYV1uopxWJLsECuh8GY14g6hp/ojZeYAg==
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

2026-09-17T10:23:12.754116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072123
observed 918a3a6bd48a746f707c7645efee57e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.736018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072123/manifest.json
observed dc1ee8ed233f455a81f6e06b4b1ff204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.719068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072123/publication.md
observed 0048a3dd44b5300104fb8be225a75941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.701365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072123/publication.txt
observed 30a4e35119f60ab56fe41c49ee660912...
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.