OpenTechnical

OT-2026-000012965

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000012965) never changes.

Identity and time

Publication numberOT-2026-000012965 · never reused
Internal UUID01a0ae6d-5564-7edc-b2e8-76e173434d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012965
StatusPUBLIC

Content hashes

Canonical text8189e6d73b9017b7bbb5dbc695592ea0f7c1581fd7b9ed50007ff1ed6b734cda
Markdown90a98cd597a67b5c28b0cdad8a2a2b4ff276166102c02fab6b582a1f3e4aaf26
PDF
Publication page156838ec551462c72c8756969b5b9d85c77334fb0425a79058dd883a9d1d9784
Manifest416aee376f1f51b886d5eaf283c53e68d8d1439c4e360e222af007db6a78b6ec

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
SignaturejiHZmRWbvs5HHtleg3SqOWTAXbMBwVoD1+k4FEMUDvQoN4eO+iy29evn4Ql5R6JnD7hP5Z/RDxbzf7HYXVVBCA==
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

2026-09-17T12:10:46.578670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012965
observed 156838ec551462c72c8756969b5b9d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.559664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012965/manifest.json
observed 416aee376f1f51b886d5eaf283c53e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.528961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012965/publication.md
observed 90a98cd597a67b5c28b0cdad8a2a2b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.498163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012965/publication.txt
observed 8189e6d73b9017b7bbb5dbc695592ea0...
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.