OpenTechnical

OT-2026-000088258

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000088258) never changes.

Identity and time

Publication numberOT-2026-000088258 · never reused
Internal UUID01a0ae9b-5d26-75fb-bfcb-74ba9741fb75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088258
StatusPUBLIC

Content hashes

Canonical text4493c1129ce345c65375c6a898b9cca25821206b1b0449b2060d996dc6addc43
Markdown20bc49c3ce3cf351e126216e34b415e2b5cc9c8c5d432d0c884e93b150d182a9
PDF
Publication page2f8c11e121e2f77c84e08a36948b173da23bec02720b68606f7bbd74525a3e72
Manifest189bfcb46ffb8fca15e028d83fc6b82f07ceae00e0f8d54fd247b4fa98f1d702

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
Signature6f9HTrb+3UrBu0w1oWXEdziXGaZfAA8gyk3tYVMnrKsS+BDuw9tN85qjaIbjhA9Qb7VW2qnx3si2m97B3ylHCQ==
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

2026-09-17T09:48:33.584311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088258
observed 2f8c11e121e2f77c84e08a36948b173d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.567012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088258/manifest.json
observed 189bfcb46ffb8fca15e028d83fc6b82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.549689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088258/publication.md
observed 20bc49c3ce3cf351e126216e34b415e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.529597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088258/publication.txt
observed 4493c1129ce345c65375c6a898b9cca2...
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.