OpenTechnical

OT-2026-000006519

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified at each zone, vented before set down

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-2026-000006519) never changes.

Identity and time

Publication numberOT-2026-000006519 · never reused
Internal UUID01a0a95e-0e45-7a11-bd30-47035e44e5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:28.679898Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006519
StatusPUBLIC

Content hashes

Canonical text753ad0cfd681da8e10b0e7b4c9a3fa17965ad1819c4378758f965d88a20a3e63
Markdown5d8ffd1fe26f7260bbb77f9d9f0d9fb60b1cc94940b3ddd3014d09f77cd5aa92
PDF
Publication pagefdb9f05982c5c9bec382c1d1d34498e59121e64d43aae514dd999fc36117e22c
Manifest7843022f979ecdd05a2b7e39ff5da547268962ff1f891ed13c739b371bc697c7

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
SignaturenpA5XsPqZuUJv9U4W2UEfwDzPhbOeQ126iOP6txYCIOS2S07BN2n7P6ndKCOBaSg0lLjKug7anvcyHYFRNVKDg==
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

2026-09-16T08:40:07.951467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006519
observed fdb9f05982c5c9bec382c1d1d34498e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.934957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006519/manifest.json
observed 7843022f979ecdd05a2b7e39ff5da547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.915987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006519/publication.md
observed 5d8ffd1fe26f7260bbb77f9d9f0d9fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.903430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006519/publication.txt
observed 753ad0cfd681da8e10b0e7b4c9a3fa17...
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.