OpenTechnical

OT-2026-000090087

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000090087) never changes.

Identity and time

Publication numberOT-2026-000090087 · never reused
Internal UUID01a0ae9c-428e-7e5d-be24-c01c18f85592 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090087
StatusPUBLIC

Content hashes

Canonical text43a3aca612ebfcec055920089e1e11a1142dd7a5715c996b3bd32a1d217488f9
Markdownb1dd265c4454806b1e38114594eef6dc21586a8c29b0ebfdbba51040fb443c73
PDF
Publication pageb80e806e7e61e29543dad3236f77f10ed89389f900726d8204d5e714b2759026
Manifest043b6c382432a5094439b3035fa9ecc7db3170df9a5c0084d65918c8f920d142

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
SignaturesjCTGUd66h8GKqnMCp6jjmy1NGtRtHVKoY6+JtwX0OTGU6XBqjKYauwj5gmZuuBCfKJ1xsnnp0xhpuLga5jzAw==
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

2026-09-17T09:45:30.461899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090087
observed b80e806e7e61e29543dad3236f77f10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.439092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090087/manifest.json
observed 043b6c382432a5094439b3035fa9ecc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.421671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090087/publication.md
observed b1dd265c4454806b1e38114594eef6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.403051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090087/publication.txt
observed 43a3aca612ebfcec055920089e1e11a1...
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.