OpenTechnical

OT-2026-000046117

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000046117) never changes.

Identity and time

Publication numberOT-2026-000046117 · never reused
Internal UUID01a0ae7e-032b-7930-b0ce-ab0a5cb82862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046117
StatusPUBLIC

Content hashes

Canonical text1ce20539c8bf38275d064679c6d1cbde98e0852706886a8f23bb0cb42c7596a1
Markdown1cdd5cd5214fb3d3e9837b233671ebf5af60b9f25c14fae6ce671bde0af6be5f
PDF
Publication page7b4cf25488a449acf7ae48a5edb66e04efb15044f3c4ca3c8409415bd5f4f081
Manifestbb532cb80453c7c19034a8c21e345745724b12781a5341cb046e65dafd99c157

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
SignaturevOvvuT6hfnDyBLDbCGWRc2Yj/UoGqYISwaqI8Et6k/l2RaBNopxSeIlQda+MtBiilLOkLeFYH6ZihZ/R7oYCAg==
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

2026-09-17T11:09:05.939295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046117
observed 7b4cf25488a449acf7ae48a5edb66e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.920862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046117/manifest.json
observed bb532cb80453c7c19034a8c21e345745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.902218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046117/publication.md
observed 1cdd5cd5214fb3d3e9837b233671ebf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.883623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046117/publication.txt
observed 1ce20539c8bf38275d064679c6d1cbde...
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.