OpenTechnical

OT-2026-000019562

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000019562) never changes.

Identity and time

Publication numberOT-2026-000019562 · never reused
Internal UUID01a0ae6e-f394-795d-86a9-4585bf4854be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019562
StatusPUBLIC

Content hashes

Canonical text464f62c6fe9a37fdee3f48a11aa00e72d80205c192072c76b81526dc229e61b4
Markdown30edc6cd493d01db67b748d591927abc9afd8cc6182b5182dfd9b832890f43ca
PDF
Publication page394d01a8fa54b6a3c14a6a88a6cf7fe1f0ca337609a8481cfa1ff877134df50c
Manifest5eba6be788a82b547984b2906a53aaff1f73000b252d799c525da84d56adb719

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
Signaturec8itXORE67daogtmJIkTFQznW5NpFK904xUhY/v8iY0HnkT4SKqugcT0xv2pAMt/FpjlfuVX/T+em47fD3P0BA==
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

2026-09-17T11:59:00.431914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019562
observed 394d01a8fa54b6a3c14a6a88a6cf7fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.415935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019562/manifest.json
observed 5eba6be788a82b547984b2906a53aaff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.397315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019562/publication.md
observed 30edc6cd493d01db67b748d591927abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.378689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019562/publication.txt
observed 464f62c6fe9a37fdee3f48a11aa00e72...
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.