OpenTechnical

OT-2026-000050827

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050827) never changes.

Identity and time

Publication numberOT-2026-000050827 · never reused
Internal UUID01a0ae82-c7b2-78b1-9dd0-e968e64eb32c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050827
StatusPUBLIC

Content hashes

Canonical text8436b7dc848f1ef3c4dce307268d4da7951296ca87a86923af1f8f32687dff37
Markdown97189be362c2a48837e1f9f71a5c9b85a740ac36d86e847135119aec5dcf636a
PDF
Publication pagedc6a8f5a34548796ef11dcf282de06ae3757092b7790512f0441879b6276b8aa
Manifest3f8ce44dc7505e47b19c958154325d983d0543365f73cab81c7f2812853a2ab7

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
SignaturejFySIbFM7H4vKm8QEsuJKCqlgs7VGxPKnVIfe6SUqbvRiIosXA52KwriZ1HUez5VELa+/qDvqScZVhzVoC3fBQ==
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

2026-09-17T11:00:22.883198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827
observed dc6a8f5a34548796ef11dcf282de06ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.857330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827/manifest.json
observed 3f8ce44dc7505e47b19c958154325d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.823318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827/publication.md
observed 97189be362c2a48837e1f9f71a5c9b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.817406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827
observed dc6a8f5a34548796ef11dcf282de06ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.797049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827/publication.txt
observed 8436b7dc848f1ef3c4dce307268d4da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.792649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827/manifest.json
observed 3f8ce44dc7505e47b19c958154325d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.761976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827/publication.md
observed 97189be362c2a48837e1f9f71a5c9b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.740551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050827/publication.txt
observed 8436b7dc848f1ef3c4dce307268d4da7...
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.