OpenTechnical

OT-2026-000039722

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000039722) never changes.

Identity and time

Publication numberOT-2026-000039722 · never reused
Internal UUID01a0ae78-d8d5-729c-bab1-65fc312cd87d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039722
StatusPUBLIC

Content hashes

Canonical textea817b08779e0197be21bf6c045fcd6e7e4b5d4685cbfd548524ddd8f33cde0b
Markdownd1035d9e58f8c605e73ecff564cf7077b05575e8901654b7b33ba2b840a87912
PDF
Publication pageaf0d7f986d61153b3589ff9b5c109a4c49a2360e77f0fafcf06082483ecb4818
Manifest75d7c7eca62c5444f78a76c73982403636d17eed54f979193f1a8067fedbc518

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
Signatureio2cZpni2eJo/ANJo1pAvHayorEpK9nS1X3ugmhq4ZegHOn4nhIvyGM0ECqHDQgzJO1L0Yh2aTLQ/9tAyR8eBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:55.509767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039722
observed af0d7f986d61153b3589ff9b5c109a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.491895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039722/manifest.json
observed 75d7c7eca62c5444f78a76c739824036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.473143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039722/publication.md
observed d1035d9e58f8c605e73ecff564cf7077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.452041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039722/publication.txt
observed ea817b08779e0197be21bf6c045fcd6e...
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.