OpenTechnical

OT-2026-000070381

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070381) never changes.

Identity and time

Publication numberOT-2026-000070381 · never reused
Internal UUID01a0ae91-545f-7962-ae26-5762fff828ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070381
StatusPUBLIC

Content hashes

Canonical textfce54474382638cf82b9968c8567c2fdda3332cd662efdb359b0fcaba36b1b0d
Markdownd0b256d445cc00e8e96014e6095169c1b736003cba5ff07fb0ed8d299d625fbf
PDF
Publication pagec022ef59e383f4292da5f1bf37a5ae106381e0491476ae774846b3184d90f624
Manifest9de50085d3aebe2dafc040d514c9d1488a9cbe5646bab8d27f68b3ced311592f

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
Signatureui8ifaGFN/+kB5HfZKXtUR9QsdrrywYCqSH0QzujreAc3QpMlORv4mWMgMkO6YLfXAgNoP2c9PFVb03aDjP/Cg==
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

2026-09-17T10:26:11.195012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070381
observed c022ef59e383f4292da5f1bf37a5ae10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.176760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070381/manifest.json
observed 9de50085d3aebe2dafc040d514c9d148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.158467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070381/publication.md
observed d0b256d445cc00e8e96014e6095169c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.140208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070381/publication.txt
observed fce54474382638cf82b9968c8567c2fd...
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.