OpenTechnical

OT-2026-000062430

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000062430) never changes.

Identity and time

Publication numberOT-2026-000062430 · never reused
Internal UUID01a0ae8c-0abf-7a6a-8326-f111689f4943 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062430
StatusPUBLIC

Content hashes

Canonical textdfa3b942a6d49042e996a994d257e3e3265694648dddfa0c3931b1d8bbc5b7eb
Markdown0daffbd868e19388c503ff8919f396d25555a577a745b1adbbe1f3a78a50d3aa
PDF
Publication pagec164ad5cb92b20163a35c7a4419f064e020e1b92ef2f091fddefd5e7a2b885c6
Manifesta06a56dedd4c1ef1d43c2ac3009199a75d20419693e55d6dde2ddf150ce74c06

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
SignatureaXvZqbYeu9VqKZFDN+cKp4qbM96m7GeG9rauGyhzToND6hN9SZj2mPQc+o018+7iUNUo/ecyd2AuqYrVEuhqCw==
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

2026-09-17T10:39:46.030437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062430
observed c164ad5cb92b20163a35c7a4419f064e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.010617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062430/manifest.json
observed a06a56dedd4c1ef1d43c2ac3009199a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.991458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062430/publication.md
observed 0daffbd868e19388c503ff8919f396d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.971692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062430/publication.txt
observed dfa3b942a6d49042e996a994d257e3e3...
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.