OpenTechnical

OT-2026-000074470

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074470) never changes.

Identity and time

Publication numberOT-2026-000074470 · never reused
Internal UUID01a0ae93-717a-7191-ae01-b61fe5e618c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074470
StatusPUBLIC

Content hashes

Canonical textbd0078933017effa7aee179d82b49834a75ab9b63d4531f72b9013d494fc9b36
Markdown5875e87ade05f76fef5a995e963d78bddbce2ac5c8b32ad234a277137c3888d0
PDF
Publication page6f879f62b30f0641942abbdb79d23252dd51f8a69815fc64ea89fabe596b7480
Manifest2640199bf05d216a623d7ab370e172040462818f58d55466034f8d2aed2288a7

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
SignatureRx27dwQyDSt6/eHkSGK9vH1/9/QYR0PHJLJgQsFRt17wvA0d74nxiOiCzcT9BYE7i95WL+bK1Mq35ai+4m6lDA==
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

2026-09-17T16:43:23.118741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470
observed 6f879f62b30f0641942abbdb79d23252...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:22.854462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470/manifest.json
observed 2640199bf05d216a623d7ab370e17204...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:22.690536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470/publication.md
observed 5875e87ade05f76fef5a995e963d78bd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:22.550155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470/publication.txt
observed bd0078933017effa7aee179d82b49834...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.881233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470
observed 6f879f62b30f0641942abbdb79d23252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.861582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470/manifest.json
observed 2640199bf05d216a623d7ab370e17204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.840584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470/publication.md
observed 5875e87ade05f76fef5a995e963d78bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.822201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074470/publication.txt
observed bd0078933017effa7aee179d82b49834...
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.