OpenTechnical

OT-2026-000033349

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000033349) never changes.

Identity and time

Publication numberOT-2026-000033349 · never reused
Internal UUID01a0ae75-8980-79f7-9c2b-52856201988d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033349
StatusPUBLIC

Content hashes

Canonical textd6e7ece1906c901e4b710f7695a9899788893d3b5ea9eef9c2b46600d9bd6595
Markdown1b332c76471eedf4a4acd4ac88ecfb20a8856c2cc66574459b9f6c14797495c2
PDF
Publication page41047c93d122bebfa00ab7ed6d559eaea3af726fbb2fb95871033ac020b47cb4
Manifest9ac44f27a0bbaedb68ce8fd5e18a97b28b5deb92a5008c3bb6f333db1fe6b827

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
Signature6FkEdSzy4djMgTIqI9I5SqiyuhoiiB5ScL05iO2qgRzM4XOkAbe3oWYinaYytwjGVmBXN184rsm/OS3zyelYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:06.580947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033349
observed 41047c93d122bebfa00ab7ed6d559eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.555280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033349/manifest.json
observed 9ac44f27a0bbaedb68ce8fd5e18a97b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.528907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033349/publication.md
observed 1b332c76471eedf4a4acd4ac88ecfb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:06.509430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033349/publication.txt
observed d6e7ece1906c901e4b710f7695a98997...
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.