OpenTechnical

OT-2026-000066818

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000066818) never changes.

Identity and time

Publication numberOT-2026-000066818 · never reused
Internal UUID01a0ae8e-ce43-748b-94a5-130d2579b416 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066818
StatusPUBLIC

Content hashes

Canonical texta1a544a9d57f950fd430eeecf960c2d75479c5bd2ec97b7ee1164c9c8cef66e6
Markdown44591f8655d3bed4921caeb5ccc8f0b4378cc7d1a215ca65a2b105ffa9063899
PDF
Publication page9a149272fe41563bad7896d66753dbb811ec55158ce15aec134a14372225aead
Manifest9c2e17db129550a2d5c804a63e1b75d104eb2bc402267dc0b70b841b66e97aa9

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
SignatureZq1DA0YM0DxUamoNiQiBfEBRKmYx4x0G2NEutUzxV589gAAnVSe7UCugC+AON4O0KZbQWuh0X2y2T0qDqFaDCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:14.947999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066818
observed 9a149272fe41563bad7896d66753dbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.928219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066818/manifest.json
observed 9c2e17db129550a2d5c804a63e1b75d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.908816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066818/publication.md
observed 44591f8655d3bed4921caeb5ccc8f0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.889560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066818/publication.txt
observed a1a544a9d57f950fd430eeecf960c2d7...
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.