OpenTechnical

OT-2026-000048984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048984) never changes.

Identity and time

Publication numberOT-2026-000048984 · never reused
Internal UUID01a0ae81-134c-78d8-9703-f5ab55782f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048984
StatusPUBLIC

Content hashes

Canonical texta8d1b4ccfd6ee0a936f026393c516ef580c14c300f37f3e6fce31d62dce3ca03
Markdown1d3303d38a199a4571b6beaefc9e2e5075ea94f1246056cf253f9507c3cda64a
PDF
Publication pagecab740a7baa913d3c33e67d3c54260bf49b86bd3a82c1cf907e418bb6a30d970
Manifest3c3136abd62a1aa330e34b68f1177f113ef02321ca18ed1e417959bd2ef1327f

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
Signaturen59VU5fRGgluHN0ew+/MVn+hYq+LsMnfTOgUcEZ5/YmsTf7JWMsK3pmXG7IANJavmtb42xOELM2A79ewwuxxBw==
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

2026-09-17T11:03:11.288730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048984
observed cab740a7baa913d3c33e67d3c54260bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.270983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048984/manifest.json
observed 3c3136abd62a1aa330e34b68f1177f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.252087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048984/publication.md
observed 1d3303d38a199a4571b6beaefc9e2e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.234570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048984/publication.txt
observed a8d1b4ccfd6ee0a936f026393c516ef5...
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.