OpenTechnical

OT-2026-000006447

Publication integrity record

Bellows cup vacuum gripper, ejector fed, vented after set down, plastic cups, 1 fold

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-2026-000006447) never changes.

Identity and time

Publication numberOT-2026-000006447 · never reused
Internal UUID01a0a95b-8fb9-776e-92a8-e3d548beaa6c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:35:45.212492Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006447
StatusPUBLIC

Content hashes

Canonical textb65fde876ade823bce7d511f7484b76f9654b00d87d59c96442d8268cb712b11
Markdownba36938f5926e5ff47191380176016e42e8dcea2d52111659192a2744442513a
PDF
Publication pagebd72eaf55d1906e9237ed4b04ea63f0016f1ec3590e5478239c08af16faf7208
Manifesteb62ab61ea2a659d71a00dda39c86d4c7a3bece9eaddaa1255f0538975e77796

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
SignatureI1TPFuUvTTSvGMeD5/G2xYLc4515e8OP0ld8EIpSwubGkFDYKG5s8+et03Vkw0A7vG3SdafUPaoDvHY2ultcCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:16.482172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006447
observed bd72eaf55d1906e9237ed4b04ea63f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:16.468632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006447/manifest.json
observed eb62ab61ea2a659d71a00dda39c86d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:16.452779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006447/publication.md
observed ba36938f5926e5ff47191380176016e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:16.440092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006447/publication.txt
observed b65fde876ade823bce7d511f7484b76f...
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.