OpenTechnical

OT-2026-000100498

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100498) never changes.

Identity and time

Publication numberOT-2026-000100498 · never reused
Internal UUID01a0aea3-66f0-774e-a677-55c7feecc087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100498
StatusPUBLIC

Content hashes

Canonical texte4c0df24285813b0c79ec849d0d221722acfe88b642d97b98ac32826d794e691
Markdownae50bb1eccf12234df2dfb0d4735211f7493353065b3fd3441ef58ff9353bf66
PDF
Publication page6b47250eb9d72a97cf38dbd50495298153b406464ab8483e0db8ea1fe81ad6c5
Manifest3019c78e13d17158857f6ed4f76c10c64712f083b3671eac87c7b69cfe845d89

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
SignaturezwTVle41xFAcdKPVRAG39at6snDG+VyFDAa/KJGlUw2RCe88ddVAAlByECjiNNUcTee4Z8sDQZxWznT2Y7GFBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:15.597601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100498
observed 6b47250eb9d72a97cf38dbd504952981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.581551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100498/manifest.json
observed 3019c78e13d17158857f6ed4f76c10c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.565474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100498/publication.md
observed ae50bb1eccf12234df2dfb0d4735211f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.548749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100498/publication.txt
observed e4c0df24285813b0c79ec849d0d22172...
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.