OpenTechnical

OT-2026-000056146

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000056146) never changes.

Identity and time

Publication numberOT-2026-000056146 · never reused
Internal UUID01a0ae87-0a4b-7f25-b0e3-9f936e04514e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056146
StatusPUBLIC

Content hashes

Canonical texte1c26bd8e562fc4694d1bad9e9c78ad576b66546d7479c76cfc4e34142e8ca39
Markdown3207277d7165be3e3ab671e457a3eca65f4c490bf0343e1d4c1e4ffff5c67360
PDF
Publication page5e258feb3a8649821d07de90a6b0762a36f806c7bbf4a4862b575c9b5d71157d
Manifest6246c764f093080304a6fc25d0c0bd3ef8d6ec06fa2ac3b7fa225e14184644ea

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
SignatureOZ4JIiFMj5m4amr6MnVFNQgJdL2y/cxDOBFQNUuXUXSPddCw6kEGTsXX4AFE3Y5rnBaRqrJuPq798RFfVU7oDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:41.913344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056146
observed 5e258feb3a8649821d07de90a6b0762a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:41.894548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056146/manifest.json
observed 6246c764f093080304a6fc25d0c0bd3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:41.874604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056146/publication.md
observed 3207277d7165be3e3ab671e457a3eca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:41.856766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056146/publication.txt
observed e1c26bd8e562fc4694d1bad9e9c78ad5...
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.