OpenTechnical

OT-2026-000056262

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000056262) never changes.

Identity and time

Publication numberOT-2026-000056262 · never reused
Internal UUID01a0ae87-4bd1-792b-a3c6-6f6b898bb2ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056262
StatusPUBLIC

Content hashes

Canonical textb6cb945c3c9bdab320b1447fc56a3baa0b0a75ef227a324e67ee02e6b9d781dc
Markdown36dede4a02bc9b0f6a2eaa420a6252a687bddd21d0f04b5f23560f6e36095b22
PDF
Publication page30d4cbb6b60244a7ba1e70e0e1537e0d0f3e206c29b950c2060c64e511dd65c0
Manifesteb6b09f31e7894fa9826525bd6acebd0b6001e8289f43826125971b56bd012c0

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
SignatureJryFkKhop1G46AM5S8C9ugmfv8v0ttDpAAdgis6/dHtiJcBvDt+Tzko5JLsI9KTf6U8gKmXnP1g9LdhRAZkkCA==
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

2026-09-17T10:50:44.801931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056262
observed 30d4cbb6b60244a7ba1e70e0e1537e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.783857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056262/manifest.json
observed eb6b09f31e7894fa9826525bd6acebd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.765713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056262/publication.md
observed 36dede4a02bc9b0f6a2eaa420a6252a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.747686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056262/publication.txt
observed b6cb945c3c9bdab320b1447fc56a3baa...
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.