OpenTechnical

OT-2026-000065442

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump 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-2026-000065442) never changes.

Identity and time

Publication numberOT-2026-000065442 · never reused
Internal UUID01a0ae8e-46f9-787a-8d0c-008926eb1611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065442
StatusPUBLIC

Content hashes

Canonical textd31685904b27cf134a599bec1362029c866d2ed439709e3cc87a6ae173286b37
Markdowna2b96271b4c2f81ba5d8a9d6434e9ff73565cd09c7ec5d79aa03ee79de02e5cc
PDF
Publication pagec6061b0b5e1c62f6447af6f8a7c00e092ea165ff26a0cc5a60d58b69aa2c5a77
Manifest0f0599c37b0f8f905bf1b42fc602c58a6401120dad61abbb47baf0ec47e09414

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
SignatureNuLLBtxG3k85kmsUiAsp/0XNHpiEtrhmrgjqwBPWUjsJUZ8/P5ratdwKkyMkxx1IISyZIt/L8IG/L6Yrejm6Ag==
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

2026-09-17T10:33:43.125614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065442
observed c6061b0b5e1c62f6447af6f8a7c00e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.107592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065442/manifest.json
observed 0f0599c37b0f8f905bf1b42fc602c58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.088874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065442/publication.md
observed a2b96271b4c2f81ba5d8a9d6434e9ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:43.073314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065442/publication.txt
observed d31685904b27cf134a599bec1362029c...
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.