OpenTechnical

OT-2026-000007337

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, vented after set down, 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-2026-000007337) never changes.

Identity and time

Publication numberOT-2026-000007337 · never reused
Internal UUID01a0a97b-321a-7571-b132-fe9e8f73c7b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:18.397363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007337
StatusPUBLIC

Content hashes

Canonical text8193c793a777b755cf08ce09474822fa2718b381bc545ee949d6b9c8ebdfd1ad
Markdowna406b22215600f43c9fd2f452b4197246184d3e0e385e7ca9bb0d442b232b95a
PDF
Publication page307dbebca6ce1c37aa82cd8e9ae4434d5a52714453acf1566bf5e627e771dbc2
Manifestedc66d7726176ac5fbb9bc307b644995dc5fe470d1d41b6a17f66ccba3abecee

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
SignaturexkBBPxzqqU5QfNJ2qfm0VDx6al9YGdSzRq/jJUyFuT/u64CokpebAZFgsCn0peLx29tV6QIGUk59t2lRL5olCw==
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

2026-09-16T09:20:10.977199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007337
observed 307dbebca6ce1c37aa82cd8e9ae4434d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.964905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007337/manifest.json
observed edc66d7726176ac5fbb9bc307b644995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.952047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007337/publication.md
observed a406b22215600f43c9fd2f452b419724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.939551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007337/publication.txt
observed 8193c793a777b755cf08ce09474822fa...
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.