OpenTechnical

OT-2026-000017323

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000017323) never changes.

Identity and time

Publication numberOT-2026-000017323 · never reused
Internal UUID01a0ae6e-76c8-75c6-ac90-3d0cefb3af18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017323
StatusPUBLIC

Content hashes

Canonical text049449ccd9241cccd22fd3340e3fde9fd676dc3a2574e5ea6c4bac19124e3c05
Markdownbf0708bd46e9038fbace1cd5644cb4987ac53144e3b216e7c5be0df37241170f
PDF
Publication paged80208920672135fd4a7716c7b3cc8e9885bd4b55ba11b479ecf8f766dfcb745
Manifestf568e977f64bdcc712b195e4283500766f4ac24ba71125ded2f90a4046b586bf

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
SignatureLE3y8Z/YqbRoe/6KqLXJqOZsfm16QPSzEU7A2iADBWYJYcjkxICJbPZavQBZVS2lNoaGM3Bl0QAuO7HjObxiAQ==
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

2026-09-17T12:02:25.688240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017323
observed d80208920672135fd4a7716c7b3cc8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.673208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017323/manifest.json
observed f568e977f64bdcc712b195e428350076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.657618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017323/publication.md
observed bf0708bd46e9038fbace1cd5644cb498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.639850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017323/publication.txt
observed 049449ccd9241cccd22fd3340e3fde9f...
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.