OpenTechnical

OT-2026-000007366

Publication integrity record

Porous face vacuum gripper, three zone face, ejector fed, pressure verified, vented after 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-2026-000007366) never changes.

Identity and time

Publication numberOT-2026-000007366 · never reused
Internal UUID01a0a97c-3db5-7b91-a6d5-d156d6d31f81 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:26.904111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007366
StatusPUBLIC

Content hashes

Canonical text2b47b11d29f4e19d730e72723b03abfbdfe7e21a9021bc1edda07da0d7e8abf9
Markdownee1cacaf8e49e04894ef9b0fa2af2cd4b211d8765e1cf29c7ae2078e91fa2767
PDF
Publication pagebd03d8276a9e7b25cf98e9e5e6696d42c1656bae24fc12114be69f4212a62043
Manifestf69c773855b4a1e2fcf160e5fcbfe15be470178bb6bae454742f8acd3e108d3f

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
SignatureF4J6joCXYrLLIhj3yvN3R9md239jjVPXH/CsLuRcwyugwhCE6dtgsfVsP7CGu/t00N8g0nz91vrCSWkk4/tIDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.400487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007366
observed bd03d8276a9e7b25cf98e9e5e6696d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.387002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007366/manifest.json
observed f69c773855b4a1e2fcf160e5fcbfe15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.373369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007366/publication.md
observed ee1cacaf8e49e04894ef9b0fa2af2cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.360119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007366/publication.txt
observed 2b47b11d29f4e19d730e72723b03abfb...
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.