OpenTechnical

OT-2026-000009369

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000009369) never changes.

Identity and time

Publication numberOT-2026-000009369 · never reused
Internal UUID01a0ae6b-7561-76ce-b82d-32cf5171f6a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009369
StatusPUBLIC

Content hashes

Canonical text87beb490e626a40af7d1e78ae74d09d290d3336dc81486cc59a1700aa247b583
Markdown882a2b1ed5ccfbb29bf10be6ab85760a037212916ead5ad7e3c012d3b29e184f
PDF
Publication page0f6a6ecdbcedc6d9e3ff3c86b0538d4bc60588a7eb45b1542b7d2ebe8e444622
Manifest01b7082804c91b47dcc23941d2ad9c617efbfa6826e4e50eadbdd16ff7ecad53

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
SignatureJJ18tnSnUuRZb87ba2rNMxEuXw2yMexGB0f1vForRKISkMMjXJhkb0iXfDAAG0t0sjhNzDItWf0sgXBosKxdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:38.304961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009369
observed 0f6a6ecdbcedc6d9e3ff3c86b0538d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.286120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009369/manifest.json
observed 01b7082804c91b47dcc23941d2ad9c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.266707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009369/publication.md
observed 882a2b1ed5ccfbb29bf10be6ab85760a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:38.247198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009369/publication.txt
observed 87beb490e626a40af7d1e78ae74d09d2...
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.