OpenTechnical

OT-2026-000071513

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line 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-2026-000071513) never changes.

Identity and time

Publication numberOT-2026-000071513 · never reused
Internal UUID01a0ae91-e0ee-7023-8d02-56bdb6326d59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071513
StatusPUBLIC

Content hashes

Canonical text203ae999386b0fff22258f32d7950a125e650a3ec1c219ad48d1f732eca203e4
Markdown0e21be7e1843cbf9814eeadd75f0efe638040902d7b1e85522d90a62440f5af4
PDF
Publication pageef1bb09658820a5a67a9e82b2936e7df6294d3f89d75d195081ff2b47fa0abdb
Manifest18ac61bc711a293c5a759dd7b6ac2d90239d39a83e3f60da818a31d133ea253c

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
SignaturexWjqjEcUr5vxtZqsBpNmDOUBqGL2WfHrkPHjjAGt7RBL3VwKl8Mv3meB3CWKtUnSfd7noa+Gn1nEfUr601tMCQ==
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

2026-09-17T10:25:09.583888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071513
observed ef1bb09658820a5a67a9e82b2936e7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.566305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071513/manifest.json
observed 18ac61bc711a293c5a759dd7b6ac2d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.549164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071513/publication.md
observed 0e21be7e1843cbf9814eeadd75f0efe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.530464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071513/publication.txt
observed 203ae999386b0fff22258f32d7950a12...
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.