OpenTechnical

OT-2026-000011446

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum 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-2026-000011446) never changes.

Identity and time

Publication numberOT-2026-000011446 · never reused
Internal UUID01a0ae6c-88ff-7f69-b453-097267e23a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011446
StatusPUBLIC

Content hashes

Canonical texta70865031a091c6fa69aa6bf19b6d183599408833c2ed1139b1ae237ec60888b
Markdown23c4ba174704b858ac39121ddabdda8b672326d624d990e3a59b3e4b8fdf8a61
PDF
Publication page5967124a7a02be895f8b5e5266ca0b64100912f502534be782ff07b063e0c0c8
Manifest0627b2cc19ca5f1a24092b72f7ecfb5a212aaade75863cf33dd689fc8eda6808

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
Signature5kpYsGaNeeIxFC/R8M1VwcvzbePV80SVBf1R9/5mvKpUXPJ3M80j+fHIiO8pj3cTxrWY1gT1uIj+ucdo/ELfBA==
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

2026-09-17T12:13:12.392712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011446
observed 5967124a7a02be895f8b5e5266ca0b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.373750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011446/manifest.json
observed 0627b2cc19ca5f1a24092b72f7ecfb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.353270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011446/publication.md
observed 23c4ba174704b858ac39121ddabdda8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:12.332372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011446/publication.txt
observed a70865031a091c6fa69aa6bf19b6d183...
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.