OpenTechnical

OT-2026-000012311

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000012311) never changes.

Identity and time

Publication numberOT-2026-000012311 · never reused
Internal UUID01a0ae6d-39f5-79af-bc09-8f1ac19f6118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012311
StatusPUBLIC

Content hashes

Canonical text86f28786bdee043a1c156d93f367bf7136d92b957e74d49b6b4ea5400cb18a99
Markdown3a1fc5bb15ff9f0fc06b25c333b737104077e94111eee2b8ee1921b0f8dec53d
PDF
Publication pageba241d16714d49f449b2812fd889b8b169046e076fbf805869caff7a8eb13aaa
Manifeste80e25f4e3e50ca4dfa94f601827da382394dacee009bbc15524c7ef8d1afc55

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
Signaturej9/o3KFyFiJr0zYjrppwD3o1x6rX47VGVv3nvVYVKsQ4h/H8r9B/oPxXTcgrp0VyszZG/hTUXOMfnHpnokA1AQ==
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

2026-09-17T12:11:15.415020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012311
observed ba241d16714d49f449b2812fd889b8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.395789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012311/manifest.json
observed e80e25f4e3e50ca4dfa94f601827da38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.377374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012311/publication.md
observed 3a1fc5bb15ff9f0fc06b25c333b73710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.358358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012311/publication.txt
observed 86f28786bdee043a1c156d93f367bf71...
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.