OpenTechnical

OT-2026-000005690

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, ejector fed, vented before 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-2026-000005690) never changes.

Identity and time

Publication numberOT-2026-000005690 · never reused
Internal UUID01a0a941-8f71-710b-a4b7-ac0e02adc65b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:21.204296Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005690
StatusPUBLIC

Content hashes

Canonical text0f3783e7400fa9596ee53d22c5c056a300d6d4f309d04e7f3e2817bb51435fe9
Markdowncd0256087348f85e69432188fd77d411e2c60ded105037f9d7336b69a12d29ef
PDF
Publication page81db05e749d4b6eea1705d1ad794554910b217de46ec059ebd7062b3c9271499
Manifest4414327f47f7fd466a04ff77c462ca70b8505149361c0d9db643b3d41499e118

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
Signatures6eXOtl4ToOwiqACksIeKtGysCZMj8VjE9iw7uNxPNwmy0Kf5o96gGpytYLLLfLtuALmjFdjHIs4uvv/cp8kAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:11.405558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005690
observed 81db05e749d4b6eea1705d1ad7945549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.389950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005690/manifest.json
observed 4414327f47f7fd466a04ff77c462ca70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.373487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005690/publication.md
observed cd0256087348f85e69432188fd77d411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.232988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005690/publication.txt
observed 0f3783e7400fa9596ee53d22c5c056a3...
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.