OpenTechnical

OT-2026-000081402

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000081402) never changes.

Identity and time

Publication numberOT-2026-000081402 · never reused
Internal UUID01a0ae96-f375-7cc5-a16c-efbc3bc5dd16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081402
StatusPUBLIC

Content hashes

Canonical texte2407225b9f7961d3cfe32bf23c9897844935d7116049324d950fff7186f3444
Markdown5a28b414c2929633b5ae651add03511f3dc284e91d83d4d30f871d86dd95f383
PDF
Publication page68208657690196a449f82cb1d5e569ab36a796cd8e63226848a641c67abbeec9
Manifest6b610fb4c735721cc5960d362710dca8ac91ba2493bba8737d92b0a3ed33476a

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
SignatureuRonSIXrtQsqCMxIDPKElaYwYzCe+5gvuKnjGJpBF3rQ6QwpEo++P/wPzDu5Gu3sPKrJvwFl65p7cu3v1RssDg==
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

2026-09-17T10:01:32.919072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081402
observed 68208657690196a449f82cb1d5e569ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.896099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081402/manifest.json
observed 6b610fb4c735721cc5960d362710dca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.788214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081402/publication.md
observed 5a28b414c2929633b5ae651add03511f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.767371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081402/publication.txt
observed e2407225b9f7961d3cfe32bf23c98978...
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.