OpenTechnical

OT-2026-000007325

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, pressure verified, contact triggered, polyurethane cups

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-2026-000007325) never changes.

Identity and time

Publication numberOT-2026-000007325 · never reused
Internal UUID01a0a97a-bbe4-7686-b617-0dcebab8c135 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:48.135732Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007325
StatusPUBLIC

Content hashes

Canonical textd17e97034d988f824c155e883222afad514c9c719899c621b309cc1e30f23e20
Markdownea2987ecaa1014781892e18ad638df0e23fd69f78d3195d6b3463d1abf51b6a4
PDF
Publication pageed8c12bdac1481c51cab2b12b52b625acf6e376f945573cba7b0cc5e3fb2da1c
Manifestf0d40596c09dd63b56f41f1fdd1282c51ac065b20d41866351b82458b997630e

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
Signatured4n8effog+Exo3wxorGSWZd1hfW/HJMOGM6npe/Q4ueP4jusytmWpokQz0nKLa5IN1mvbpkqj8t+uJtI5vVHDw==
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

2026-09-16T09:10:03.720512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007325
observed ed8c12bdac1481c51cab2b12b52b625a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.708440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007325/manifest.json
observed f0d40596c09dd63b56f41f1fdd1282c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.696991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007325/publication.md
observed ea2987ecaa1014781892e18ad638df0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.684336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007325/publication.txt
observed d17e97034d988f824c155e883222afad...
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.