OpenTechnical

OT-2026-000065355

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000065355) never changes.

Identity and time

Publication numberOT-2026-000065355 · never reused
Internal UUID01a0ae8e-1dfb-7588-9496-0f8a0b1b7229 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065355
StatusPUBLIC

Content hashes

Canonical textea38f7ebfa31c5c393bd34356e72cc4653be5e18d9fccac5070c8e0f93669005
Markdownac609483354ca86d01843aebd92255cb1ff4a9b3b18bbb96e89bd734e0784ab5
PDF
Publication page706a15896249a3e28872d59c4d4fb6c20ee42fb701859f61d5fa6be53a298b79
Manifest34540385bc5853f9e9c241ef55bd9fa230e7f1d4788247f95959ce9094d4862d

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
SignatureYDAdK1kRY2BcB4a1/nwaYp2ZmltNmTGesWyx5UlD+pzsnkLqxCnTVnhdjMYkRNLjdnu12lhePiEJdbFlfHBNDQ==
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

2026-09-17T10:35:20.511109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065355
observed 706a15896249a3e28872d59c4d4fb6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:20.491262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065355/manifest.json
observed 34540385bc5853f9e9c241ef55bd9fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:20.472412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065355/publication.md
observed ac609483354ca86d01843aebd92255cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:20.453571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065355/publication.txt
observed ea38f7ebfa31c5c393bd34356e72cc46...
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.