OpenTechnical

OT-2026-000069533

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000069533) never changes.

Identity and time

Publication numberOT-2026-000069533 · never reused
Internal UUID01a0ae90-b52b-7eb6-af5b-0cc375539230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069533
StatusPUBLIC

Content hashes

Canonical text52ba20e008beb4d27c1d0891fd0615dde3f03a37a3f559b940c5607d244b1e14
Markdown780b5bdb4804b5abc90883f3e67520eec80e64d10ec037ba811e2e8d7f4169fc
PDF
Publication pagea9e047d882ce6facc5320b69ac439b6fe78d7f1f1d97aaa405cd291481d5fd61
Manifestb1c366831359750383dc869abbb840e4b54e2117cbc214d009c8d84a37f1ed76

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
SignaturezzuDfjhxDXZgapyBgo3DAPl9/ttT7u6zZS14DfWa2SmVfSAFSHnULsuT2284JO/4aLuRynB44Pc77phpnyk1Ag==
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

2026-09-17T10:30:38.579194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533
observed a9e047d882ce6facc5320b69ac439b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.562397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533/manifest.json
observed b1c366831359750383dc869abbb840e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.540237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533/publication.md
observed 780b5bdb4804b5abc90883f3e67520ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.519789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533/publication.txt
observed 52ba20e008beb4d27c1d0891fd0615dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.794476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533
observed a9e047d882ce6facc5320b69ac439b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.775010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533/manifest.json
observed b1c366831359750383dc869abbb840e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.757813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533/publication.md
observed 780b5bdb4804b5abc90883f3e67520ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.739316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069533/publication.txt
observed 52ba20e008beb4d27c1d0891fd0615dd...
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.