OpenTechnical

OT-2026-000006387

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, vented after set down, rubber 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-2026-000006387) never changes.

Identity and time

Publication numberOT-2026-000006387 · never reused
Internal UUID01a0a959-380d-75b1-8db5-5e43c46463f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:11.696257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006387
StatusPUBLIC

Content hashes

Canonical textccf56d08e0c2fa269b5c0e5a725d154860bcc78040f0b809e46f732825551190
Markdownd6e331a5fc1310e1ba0e91981ba4b1fa8ad6a8acd882aa830c145de6a56fc7c9
PDF
Publication pagef84aa723c11337d85fec1f1fb20f11c7ac4fcf343d1662499bd2d85dd7a4f5e1
Manifest9ef98ba279e0c581ef1c3eaa801d724dbba8e70dff495829dfc3b9bc22e29abc

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
SignatureVhn4dtay4w7U2N/mBnwSRvB93hsH0/C9B1HCMiXzI3PPXNdg+G0a+Nfdg82Ew6F1eeWmcY/trWPdEL8rJEUvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:23.674516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006387
observed f84aa723c11337d85fec1f1fb20f11c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.661083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006387/manifest.json
observed 9ef98ba279e0c581ef1c3eaa801d724d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.647722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006387/publication.md
observed d6e331a5fc1310e1ba0e91981ba4b1fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.634510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006387/publication.txt
observed ccf56d08e0c2fa269b5c0e5a725d1548...
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.