OpenTechnical

OT-2026-000053119

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053119) never changes.

Identity and time

Publication numberOT-2026-000053119 · never reused
Internal UUID01a0ae84-a431-7964-b77b-41421cc6216c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053119
StatusPUBLIC

Content hashes

Canonical texta0d7070495cb70f06b0934a4030bf6444a6262590bc63da418f607a6fb40366e
Markdown380face1b6038ae79937e7763d4330b95a7e042c71c8d8dbdda47f6c2fb2967b
PDF
Publication page9c26fff367bc8bbf7cdb4b424ff86a3ae35eff53657619dd5e16eb81f593a583
Manifestb961ffe64b4109fd8e8015ed13d71137627a6d51df471ea5e80e9eb00d3a2930

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
Signature/RfEsJgrJZ3fVBD42YJIfNpiAUtUlW6K4rPcTsOJYuKbIs/KxbNup990z5hYgBXecd3xWTK4dOqQfnlwk8BFBw==
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

2026-09-17T10:56:50.799476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053119
observed 9c26fff367bc8bbf7cdb4b424ff86a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.783002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053119/manifest.json
observed b961ffe64b4109fd8e8015ed13d71137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.766356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053119/publication.md
observed 380face1b6038ae79937e7763d4330b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:50.749588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053119/publication.txt
observed a0d7070495cb70f06b0934a4030bf644...
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.