OpenTechnical

OT-2026-000068077

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000068077) never changes.

Identity and time

Publication numberOT-2026-000068077 · never reused
Internal UUID01a0ae8f-c4fe-7ca5-b752-c8f34813b8a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068077
StatusPUBLIC

Content hashes

Canonical texteb9ae7448b8d419fc96ca422f636d6431d1d16978b9e4a2472b2f00839dae7c8
Markdown3f532603b558ee627a26aad8db16f6660802eb667f16354b1a886455e7ad6a8f
PDF
Publication page513b151df53c83fad2fefc3246e8a50957bc84233dc9a0ca56a820606f271541
Manifest00762243c69188b3da996ae96ff564c56405501d9c6542b4656a784aff8a4e16

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
Signaturex3szXYo5xJ8ALt1pmks+ARzZL5YlwSlu2Y6k4okhbI3Y3I42qGGg2cyBzcxAgWINgWzoI+098dJ+/48A8WSqAQ==
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

2026-09-17T10:30:40.058129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068077
observed 513b151df53c83fad2fefc3246e8a509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.039950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068077/manifest.json
observed 00762243c69188b3da996ae96ff564c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.019389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068077/publication.md
observed 3f532603b558ee627a26aad8db16f666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.002805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068077/publication.txt
observed eb9ae7448b8d419fc96ca422f636d643...
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.