OpenTechnical

OT-2026-000075999

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000075999) never changes.

Identity and time

Publication numberOT-2026-000075999 · never reused
Internal UUID01a0ae94-2a00-7cbe-b03b-c36ad494007f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075999
StatusPUBLIC

Content hashes

Canonical text66028f1e0e8f73a8c7a3deaa262a74de49cf15bf59b33d5ec5da68d767792410
Markdownee52e95ab0185908cf450cfdf637d9e14d903fe2cc747200f384b5a1a388a196
PDF
Publication page5c043e538c7d8f5de823fa0496deeefff4b744ca41f31302c958de99e79fd55f
Manifest5e8a585e302480467136207263c08b21cba73ab229ccbe53f81c10b958d8df53

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
SignaturedAOiixmigC7GyIqc2QjZorbPAOYdDBx3eu/JFksLM/aEi09V1WFPcJwSS5h0wT2sJDasIBSTGnAivRk3I5oVCA==
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

2026-09-17T10:20:14.986651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999
observed 5c043e538c7d8f5de823fa0496deeeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.968168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999/manifest.json
observed 5e8a585e302480467136207263c08b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.948630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999/publication.md
observed ee52e95ab0185908cf450cfdf637d9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.929870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999/publication.txt
observed 66028f1e0e8f73a8c7a3deaa262a74de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.218061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999
observed 5c043e538c7d8f5de823fa0496deeeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.197425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999/manifest.json
observed 5e8a585e302480467136207263c08b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.052875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999/publication.md
observed ee52e95ab0185908cf450cfdf637d9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.035939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075999/publication.txt
observed 66028f1e0e8f73a8c7a3deaa262a74de...
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.