OpenTechnical

OT-2026-000027650

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000027650) never changes.

Identity and time

Publication numberOT-2026-000027650 · never reused
Internal UUID01a0ae72-6999-73e2-a04e-57dc3be4d4aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027650
StatusPUBLIC

Content hashes

Canonical textbf5f0f249e403a6f4e72f2e5bbf883b52db656a759858070091f8aa26bbd9431
Markdownbdc958dfead99deca83390914e6e6cd2d94dd05a53425c0f79cbc1feae65c00e
PDF
Publication page66ed7206d5ec4b3fc233e15c73e855ce6bde064f124fae840843bd4b055b611e
Manifest0a8bad97cffd712ec84a5ae6f9da57901964c877ece8711dbeb384ef92faa8b1

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
SignaturekVNMQn+6ahnBA6DHfKWAGzTMzO+yzPk3oB5omny/0+wClygOR6wmrs3bzjzY99qA1UqQmMgMWFevOfbBUOefBQ==
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

2026-09-17T11:43:10.671213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027650
observed 66ed7206d5ec4b3fc233e15c73e855ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.654402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027650/manifest.json
observed 0a8bad97cffd712ec84a5ae6f9da5790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.635956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027650/publication.md
observed bdc958dfead99deca83390914e6e6cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.618383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027650/publication.txt
observed bf5f0f249e403a6f4e72f2e5bbf883b5...
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.