OpenTechnical

OT-2026-000075349

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000075349) never changes.

Identity and time

Publication numberOT-2026-000075349 · never reused
Internal UUID01a0ae93-f201-71c2-9536-854eca32d3a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075349
StatusPUBLIC

Content hashes

Canonical text7bd2fcbfe94d21f67fa49c34cd21632e3b77c5b7dbf13d5e362d75b441446861
Markdown94e402823e65b03be49d5efedcd2e1825d4a121def96a691e0bac75c06a6eb71
PDF
Publication pagee39398cd047d8858be786db44dc1b3fd9255ed955e8fc20a8a5438a2df3e1d41
Manifest696dfe04b6523520e332a10fcd3d6c1607d079af73239412967b1d362573db61

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
SignatureJJRf67dvqpmPm8tsKEhkjuruYFwBGRI4QWP5Jv2lAWVQm/kIvP+tdu7TYLbXBaFS1hoACB+VI19F8unXaL1YCg==
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

2026-09-17T10:20:21.417880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349
observed e39398cd047d8858be786db44dc1b3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.397753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349/manifest.json
observed 696dfe04b6523520e332a10fcd3d6c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.360334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349/publication.md
observed 94e402823e65b03be49d5efedcd2e182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.266418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349/publication.txt
observed 7bd2fcbfe94d21f67fa49c34cd21632e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.705938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349
observed e39398cd047d8858be786db44dc1b3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.563070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349/manifest.json
observed 696dfe04b6523520e332a10fcd3d6c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.543658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349/publication.md
observed 94e402823e65b03be49d5efedcd2e182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:23.479426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075349/publication.txt
observed 7bd2fcbfe94d21f67fa49c34cd21632e...
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.