OpenTechnical

OT-2026-000024042

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000024042) never changes.

Identity and time

Publication numberOT-2026-000024042 · never reused
Internal UUID01a0ae70-aed7-736d-9b13-80d34b67fbbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024042
StatusPUBLIC

Content hashes

Canonical text7b23175e462be601dee35bd8684a9a8505cbe583322a935994eecf78f46a097f
Markdown835af93aa7520bcde9c523373c788313907e4e1de6e84f8e7483852d1bf51b92
PDF
Publication paged1d55d1cc9e3cf7de81aae354d0ebfe79811435768981777506215be31774549
Manifest5e6fb0f9b2aad75c87eab78a0af19e72deaf59bced65412428c4645d4a7db605

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
Signature/B3BKuSEU846Isf6DIxY7U2Y7JBOm2du0hm/NMfRU9QSidwHZpVQes6zgJJewNAF8YXWJs2X/3iAdZfcGyS1CA==
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

2026-09-17T11:50:49.885746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024042
observed d1d55d1cc9e3cf7de81aae354d0ebfe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.864726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024042/manifest.json
observed 5e6fb0f9b2aad75c87eab78a0af19e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.841112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024042/publication.md
observed 835af93aa7520bcde9c523373c788313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.819772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024042/publication.txt
observed 7b23175e462be601dee35bd8684a9a85...
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.