OpenTechnical

OT-2026-000076945

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076945) never changes.

Identity and time

Publication numberOT-2026-000076945 · never reused
Internal UUID01a0ae94-b071-7ae7-ac1c-c7a9474c000e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076945
StatusPUBLIC

Content hashes

Canonical text44ed15151d5b6c3ea6edc20e7005e6016bce11e1feff97564014ca79abd4ff99
Markdown6c10733f49bad5fde70f1e58c6b93013478961225d54e53f672e7a0e51ddb77b
PDF
Publication page0ab32edaa39d1579f082343212a8f289f1d4a7205af62a52c8fede7d1c8c712e
Manifeste4ba1e3391d5c85002b077e3639525376f50276555d1db415d5c5aa90cb5c022

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
Signature2Uw8rFdih889K93377UYuPGwpZ2I5PKyJeNVXQ+Fe1dzo+HXPszoaj1IIqmwDy+FjclMibmc2GQEjmn6SGfcCg==
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

2026-09-17T10:10:05.785006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076945
observed 0ab32edaa39d1579f082343212a8f289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:05.763759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076945/manifest.json
observed e4ba1e3391d5c85002b077e363952537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:05.705330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076945/publication.md
observed 6c10733f49bad5fde70f1e58c6b93013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:05.297788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076945/publication.txt
observed 44ed15151d5b6c3ea6edc20e7005e601...
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.