OpenTechnical

OT-2026-000089908

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089908) never changes.

Identity and time

Publication numberOT-2026-000089908 · never reused
Internal UUID01a0ae9c-428d-780d-9679-5bb07f203c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089908
StatusPUBLIC

Content hashes

Canonical text46ac7f1c70f6a797f6a5ad2aec5d079e26c9d618a88c1759aeb65e88e18cec56
Markdowne5a806e78d9b8dabf91e7099e7f14034a8b8f4f45a14249c15acf76d7deced6c
PDF
Publication page5f5334cae256652d5fb702583fea2fed47591738435f2e2040a87c0b4c7f6648
Manifest86860e9e1ef8cba3772cf339910b295b50e781c021caab9bda84a4413ba60d04

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
SignatureBvqZ/v61JeRg6Egy0xSIZArrezdy0qusuijxm6KAJYq+xVF4/BhatubmW5wLTX8p96AzRQjZOSi4AQQMQN58Dw==
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

2026-09-17T09:45:10.611187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089908
observed 5f5334cae256652d5fb702583fea2fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.593773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089908/manifest.json
observed 86860e9e1ef8cba3772cf339910b295b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.577392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089908/publication.md
observed e5a806e78d9b8dabf91e7099e7f14034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.559909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089908/publication.txt
observed 46ac7f1c70f6a797f6a5ad2aec5d079e...
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.