OpenTechnical

OT-2026-000008734

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000008734) never changes.

Identity and time

Publication numberOT-2026-000008734 · never reused
Internal UUID01a0ae6a-e46c-7435-8573-0937ef1f2dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008734
StatusPUBLIC

Content hashes

Canonical textfc56930359384c1d5c17d088a49a4a156228329c25982a5338e460f206dbaa3f
Markdowna3c6326b1fcd13372e63c5c46ca59ac7043738cf9e0cf80c49cf2fffc45e5b3b
PDF
Publication pagec9eb379ff1f430506d5939a149e8af29c6aad472045217794dbed0c2b25eaede
Manifesta0fedd5cfff3052c8a053f4eceef38014be38c99a55bdd99a023b01a6a1951b8

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
SignaturezgJ6HejCtMKnkMQnwQjiCI9uGFdhyW+uarwiSv2ge/zUx4kBowhI0bSBnigjnH8pw9hJGFBqnLjc7P14+Z4tBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:49.330872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008734
observed c9eb379ff1f430506d5939a149e8af29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.312093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008734/manifest.json
observed a0fedd5cfff3052c8a053f4eceef3801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.292285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008734/publication.md
observed a3c6326b1fcd13372e63c5c46ca59ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.271566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008734/publication.txt
observed fc56930359384c1d5c17d088a49a4a15...
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.