OpenTechnical

OT-2026-000079081

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000079081) never changes.

Identity and time

Publication numberOT-2026-000079081 · never reused
Internal UUID01a0ae95-ccbf-7cd4-923e-17cfb66e91d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079081
StatusPUBLIC

Content hashes

Canonical texta7db3f67c70f3f336a29dd995849039b1ec382cd33ff70321d555a241f61a6c7
Markdownc853f9b0e6c0b6d907620b256b31dee2069aab7e093487635f2f9de5a38ff8d3
PDF
Publication page380fb21f7ddbba3dc6334d0e2e1e8879c35358c9b1473841bda666311cd6c791
Manifestfe5fa3ca4ace8ef58cc26eb501dc8e085071766e29685e58114cbbf837aea24b

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
SignatureAU+XsdOefxKUIU7WOwk0W3TIlo2cJam8648fGOqrrMXgGmqGoFhqMlZ9e8AMPZo2++ARtNoNL2DxqmIzrkSnAQ==
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

2026-09-17T10:05:55.534581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079081
observed 380fb21f7ddbba3dc6334d0e2e1e8879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.512652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079081/manifest.json
observed fe5fa3ca4ace8ef58cc26eb501dc8e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.492329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079081/publication.md
observed c853f9b0e6c0b6d907620b256b31dee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.473988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079081/publication.txt
observed a7db3f67c70f3f336a29dd995849039b...
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.