OpenTechnical

OT-2026-000025049

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025049) never changes.

Identity and time

Publication numberOT-2026-000025049 · never reused
Internal UUID01a0ae71-2728-75e6-b094-4584eee55ba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025049
StatusPUBLIC

Content hashes

Canonical textdc49b7968420bcf83baedcc4dab24fd006e06e391dd672c5a4ccbdcae6757b25
Markdowndf9f3a3810df7ad77ab89b7f76697393cf5a6b6eb26aaa50aaa4190d150db095
PDF
Publication page708a983dd777a09dccf32b73cb6b79ecf2e518df22c0b9020ccbbb670e7fada3
Manifestca160cec28098a09276459f3e3765d0bd437c75423d7c4948c5a70e2624077dc

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
SignatureUOQ+2qEv7anmGOq2by9/K+aqgRYZ593fdsiOmOMRNVZWnB8b8TlLltxMWJCvRJkbnWsN65WBccQsMmgQKwttAA==
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

2026-09-17T11:48:27.422748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025049
observed 708a983dd777a09dccf32b73cb6b79ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.403934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025049/manifest.json
observed ca160cec28098a09276459f3e3765d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.387158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025049/publication.md
observed df9f3a3810df7ad77ab89b7f76697393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.370148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025049/publication.txt
observed dc49b7968420bcf83baedcc4dab24fd0...
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.