OpenTechnical

OT-2026-000081705

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000081705) never changes.

Identity and time

Publication numberOT-2026-000081705 · never reused
Internal UUID01a0ae97-0f73-7e4f-a377-cd335880b0dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081705
StatusPUBLIC

Content hashes

Canonical text4a5ecdc98eadb417a70182863e123997d729a1b0aa825ab3438a87672bcc8647
Markdown91232484d5201c24c54cb8a425f737caf5c52c90fe9856ecbdb643ed30a4d9ff
PDF
Publication pageca154bd57bc7c7093c45cbbb537f94082b49bb9a78bd16705b5c0917933e8f7a
Manifest5fe4f6216e596d3f1c2e43b8ad9a3cf17bf85bc9a09d7154363c8fa818b9e35d

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
SignatureR2yDcNCwl1/BmI6DvRFGOx50qCVKyR3A7Tli23LI+JDee4QDsUgrTibMISbkWgTzQYLS7mG4NFhAJ/qV3XWhCQ==
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

2026-09-17T09:59:46.535658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081705
observed ca154bd57bc7c7093c45cbbb537f9408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.517436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081705/manifest.json
observed 5fe4f6216e596d3f1c2e43b8ad9a3cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.500319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081705/publication.md
observed 91232484d5201c24c54cb8a425f737ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.482466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081705/publication.txt
observed 4a5ecdc98eadb417a70182863e123997...
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.