OpenTechnical

OT-2026-000018269

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000018269) never changes.

Identity and time

Publication numberOT-2026-000018269 · never reused
Internal UUID01a0ae6e-b488-7ab9-95f7-8630842c73b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018269
StatusPUBLIC

Content hashes

Canonical textab2c5b037c36da4bcf77a754ec66df749dbaead6320ee8f388a21062d846cf1c
Markdown855a4873559c63f4e36715417ad991f23489a1addb72fe4972e1e1f600e7ddba
PDF
Publication pagedb177c0f4715c243f6e6f6aa6aec52cfe2eb45eec37d1c337f4585e0032af11f
Manifest3c88176e02b119a7da7f439ae5429b6387d0c7509bf60da7ce376c5234a328ca

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
SignaturezRXrEi3XZUx3JAH6/WO6+337fOIQB3i9BZ+rvKRY4CVdBppvv0Ak/wArju6yKJY6JAQJk1eorc0HEwk/ycIbBg==
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

2026-09-17T12:00:06.733844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018269
observed db177c0f4715c243f6e6f6aa6aec52cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.711849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018269/manifest.json
observed 3c88176e02b119a7da7f439ae5429b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.692308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018269/publication.md
observed 855a4873559c63f4e36715417ad991f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.670955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018269/publication.txt
observed ab2c5b037c36da4bcf77a754ec66df74...
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.