OpenTechnical

OT-2026-000091464

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091464) never changes.

Identity and time

Publication numberOT-2026-000091464 · never reused
Internal UUID01a0ae9c-f16d-7471-998e-3cca8d7f0c1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091464
StatusPUBLIC

Content hashes

Canonical texta5829a88924bdd32ccaeb211671b16151040a65f522b26e06ed5eed202f50326
Markdownd0a2d4f9130c1e1800c7e58e43130254bcf305b0bddec7f551d0c0aa201d22bd
PDF
Publication pagea9ca44c7cdeb706f703b719d234258db2ed9801b700a4a3d809b6a34f014198e
Manifesteffc54c974e0e6ca2b22060eeaab30af4fd8c2fda5c1a9ab808d2dfa182b85a1

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
Signature+3SV/a7kw/LfTMwWC4IKlaG0Bhwb5yZ4J9QGzOI8PoKWMzJc3PAtodlwOXyKPTIJG0TlM5NYrRJUZpu6ODpxBg==
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

2026-09-17T09:43:42.884991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091464
observed a9ca44c7cdeb706f703b719d234258db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.868869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091464/manifest.json
observed effc54c974e0e6ca2b22060eeaab30af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.852345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091464/publication.md
observed d0a2d4f9130c1e1800c7e58e43130254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.833137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091464/publication.txt
observed a5829a88924bdd32ccaeb211671b1615...
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.