OpenTechnical

OT-2026-000060697

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000060697) never changes.

Identity and time

Publication numberOT-2026-000060697 · never reused
Internal UUID01a0ae8a-b7ce-7933-93a5-177f989bd442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060697
StatusPUBLIC

Content hashes

Canonical texta12dcb348756c30096cab782d25a84b311a47f78b2aadfbb8ed4fa72d91be699
Markdown2399bed6c10e56b7de85dff55148e427fc1a1e359ff48bde9a7d6e43ae99c4a6
PDF
Publication page408c3864ec08f3d438cccddc0b87307b15d429432d0c79b42bf799dc50dc3cdc
Manifestb205c98b72deacdecadb9ad0f8d08259ba1266c090c9383c26d5fa8d9dc72331

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
SignatureMg/jb7Tef401pXyqYpgz8+Zr6cnTJX2vJqA7QaDCgUJXmIG50BdFHRG7A+BnUn2UVZ/CHAVAJ2ziydF0J9mnDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:20.622367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060697
observed 408c3864ec08f3d438cccddc0b87307b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:20.604722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060697/manifest.json
observed b205c98b72deacdecadb9ad0f8d08259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:20.586655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060697/publication.md
observed 2399bed6c10e56b7de85dff55148e427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:20.569982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060697/publication.txt
observed a12dcb348756c30096cab782d25a84b3...
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.