OpenTechnical

OT-2026-000014759

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000014759) never changes.

Identity and time

Publication numberOT-2026-000014759 · never reused
Internal UUID01a0ae6d-d094-75bc-af35-b5aa40bfcb5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014759
StatusPUBLIC

Content hashes

Canonical textbb3104f8b759c18d4c75023ef8ce8bf1754ab2a897c33df5c8ba25f1cdbc10c0
Markdown7f965126bc2128999ce033e7db0c15a593552e17266f0d74eee1d8d15bbfde87
PDF
Publication page2ec773f4ebba007892c16a3cb42ee43bf4ebbb4215bc1d25392e6ab29fe0346c
Manifestf224f343152a0bcfa97e0a2d3b2e38c4c3fbc98a4bfa7242f132b854bf3f8faf

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
Signature4Jhu5TTedkGtK/68/tZT/xSzSX2McN2stYnwTY17QQcBapFO++Y7Q1Q4ylfYpojjmoByWdve+khXRpUxRhWxAA==
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

2026-09-17T12:06:38.569163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014759
observed 2ec773f4ebba007892c16a3cb42ee43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:38.550643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014759/manifest.json
observed f224f343152a0bcfa97e0a2d3b2e38c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:38.533178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014759/publication.md
observed 7f965126bc2128999ce033e7db0c15a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:38.514798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014759/publication.txt
observed bb3104f8b759c18d4c75023ef8ce8bf1...
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.