OpenTechnical

OT-2026-000062423

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold 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-2026-000062423) never changes.

Identity and time

Publication numberOT-2026-000062423 · never reused
Internal UUID01a0ae8c-0abf-7165-bc54-cd6df87d3bce · 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-2026-000062423
StatusPUBLIC

Content hashes

Canonical text1b94044414a437850b0014c6520f59e10a291027b34ab9cce62fadb8c463a859
Markdown57987f1da936c24cabb18b85bdb697f3df7f206b89e9a3287cdd53195058a487
PDF
Publication page76387b03fd2eece80ba9c0139db0232695cabd6bda3fc09021247e11b456b630
Manifest449dd348736cf1e6c9adf54e3b5fbec30d0df493fd1f95ef3b9afb25e019abdf

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
SignaturePMvTw5UdlsgDe0wCjsugFARNy+fDfk1tuLISAo1wBBeI6xKLcC4tiRr/3ql/3ryq5X0oULF+lUfvk27xyccoAQ==
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

2026-09-17T10:39:45.486745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062423
observed 76387b03fd2eece80ba9c0139db02326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.466973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062423/manifest.json
observed 449dd348736cf1e6c9adf54e3b5fbec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.446921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062423/publication.md
observed 57987f1da936c24cabb18b85bdb697f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.427636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062423/publication.txt
observed 1b94044414a437850b0014c6520f59e1...
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.