OpenTechnical

OT-2026-000064142

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000064142) never changes.

Identity and time

Publication numberOT-2026-000064142 · never reused
Internal UUID01a0ae8d-a45f-79e4-9594-bb5995a32442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064142
StatusPUBLIC

Content hashes

Canonical texteefb300d15a5c5271c980fe0a80b4dc1aa7a05c6dfcf55466b3959eb294bd401
Markdown20b471da274d4cac4e3f44b3f718a42bd7e92accab21348f7c94fcf4965970d9
PDF
Publication paged625c50d5784e7d74d51de48f313be3752ad01551a57255d41dc5f3ff4065b52
Manifestb73c3453d5a328f0c495396cec7b25c21b3c5f4042a2909416a867c6a9f6d555

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
SignatureRxl1qsh3gyDmc5ldzGBMjwQWts7OqKwkn/tFFJXsFnkS0KWfnBT3qTbTIvF3YtdlJ4QAj7+woXmr0WLTeMmEAA==
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

2026-09-17T10:36:08.778572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064142
observed d625c50d5784e7d74d51de48f313be37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.759596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064142/manifest.json
observed b73c3453d5a328f0c495396cec7b25c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.742289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064142/publication.md
observed 20b471da274d4cac4e3f44b3f718a42b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:08.723263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064142/publication.txt
observed eefb300d15a5c5271c980fe0a80b4dc1...
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.