OpenTechnical

OT-2026-000071704

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented before 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-2026-000071704) never changes.

Identity and time

Publication numberOT-2026-000071704 · never reused
Internal UUID01a0ae92-1e91-7c3c-8932-6e4962ec0ab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071704
StatusPUBLIC

Content hashes

Canonical textfcbb1d3553efc4fdcc29ca509b67c4412cd9830a083e7c5cdfd3a80edd0427c4
Markdown5aeba169037061c4f4c596729fa574125f711d9d9e56cbd10f6c3013fa9ec7d7
PDF
Publication page8221f878e3820f79ac3702c053eb42c08d7db566d9b91622922ec6614220c2b5
Manifest43e13d9f243be919eaea1ad3fb3fc9237e7678ebeb70ecc02da27e8884106e41

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
Signature0jAvuK5brmG+YXXp+A4jstsZSEpHWjl3Gg+07hmXWPqxDW76vd7dABriWAi7366j/G+jA7LJDj4n8fE4oaxWDA==
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

2026-09-17T10:23:46.282536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071704
observed 8221f878e3820f79ac3702c053eb42c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.256081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071704/manifest.json
observed 43e13d9f243be919eaea1ad3fb3fc923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.228844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071704/publication.md
observed 5aeba169037061c4f4c596729fa57412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.204977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071704/publication.txt
observed fcbb1d3553efc4fdcc29ca509b67c441...
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.