OpenTechnical

OT-2026-000073283

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073283) never changes.

Identity and time

Publication numberOT-2026-000073283 · never reused
Internal UUID01a0ae92-efb7-7317-9de7-e42bd828340b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073283
StatusPUBLIC

Content hashes

Canonical text7f52ae3ec87f17ac08861bf0eb0ea4e0104a8cfc1ff55940892a55c7a6c104e8
Markdownfe55cf842e604111aa5fb11d55cb07856db8ba0c0e31240484e41a3b35b09656
PDF
Publication page678a99e66c20aea54fd9d47dc3a7b2a1f24600dd6cb28a20f26e3e018c49cf3b
Manifest9091a9b5dbbb8d671495c00424c7b7dee88caa99fc9d11b267a56e7d8c990147

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
Signaturefl/vcERuVibjYzBlgRPWklRy+172lT9uhlK3IMXBNLZzCIolNDfh09I+P7KgyapGnwdg2pF6nx4X1gxWwb+DAA==
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

2026-09-17T10:21:17.239610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073283
observed 678a99e66c20aea54fd9d47dc3a7b2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.220572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073283/manifest.json
observed 9091a9b5dbbb8d671495c00424c7b7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.200328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073283/publication.md
observed fe55cf842e604111aa5fb11d55cb0785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.179285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073283/publication.txt
observed 7f52ae3ec87f17ac08861bf0eb0ea4e0...
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.