OpenTechnical

OT-2026-000071741

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000071741) never changes.

Identity and time

Publication numberOT-2026-000071741 · never reused
Internal UUID01a0ae92-1e91-78bd-9031-617b8a95b63d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071741
StatusPUBLIC

Content hashes

Canonical textb04a55cdbce4388b8d25b34f1922ea06578a8414d1e425ee6b2c47563a68b5dc
Markdown0831cb7d8c79581f8c83e6857659a8edaa4dd39c496989ee4952b3cc802abcf4
PDF
Publication page825af9ce5c6074d9f6f4b450d23acb159ef3b586da65f63ba6833bc93ef33927
Manifest3182ad034c63d5077980fe34c33716564385b1ad2d39c54f0227856fe6e048a7

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
SignaturexXNyfDX4tGMXpmewionmlfYbyKN+2U8fEPiStB8JyaPBT+Nf7TtE74BD5tHiYeJ+m0tRndYg2gcE1Er7NNvJDg==
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

2026-09-17T10:23:53.928960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071741
observed 825af9ce5c6074d9f6f4b450d23acb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.912278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071741/manifest.json
observed 3182ad034c63d5077980fe34c3371656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.895448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071741/publication.md
observed 0831cb7d8c79581f8c83e6857659a8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.879074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071741/publication.txt
observed b04a55cdbce4388b8d25b34f1922ea06...
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.