OpenTechnical

OT-2026-000036802

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000036802) never changes.

Identity and time

Publication numberOT-2026-000036802 · never reused
Internal UUID01a0ae77-773e-75c3-817b-4678e30cfdb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036802
StatusPUBLIC

Content hashes

Canonical text61329bd824c561cdd8f24f202121ba49e1ee70bcf12c09dec114917d1487b5cf
Markdown823cb11d3e267eaf791aefc599644fb69dfbc8bb2d9662338a295b60660674ee
PDF
Publication page1743ece468aafc5781887b41e8e5d0890678a69e101971d06440e78196a21cd9
Manifest58d3f42b44f52e71e0eff03f91e5fc6af26dc7e4716e510e836f1a07e09e9cde

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
SignatureM4y1pMmWP9R9wcZVDGdHdElkcn+qk2jI+Huf8/Ox6KDGG/dIS6iAgYsJ7FqGuexRqFlxtFTatlraYsTvl7swBA==
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

2026-09-17T11:24:24.715981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036802
observed 1743ece468aafc5781887b41e8e5d089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.700824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036802/manifest.json
observed 58d3f42b44f52e71e0eff03f91e5fc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.684096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036802/publication.md
observed 823cb11d3e267eaf791aefc599644fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:24.665930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036802/publication.txt
observed 61329bd824c561cdd8f24f202121ba49...
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.