OpenTechnical

OT-2026-000023476

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000023476) never changes.

Identity and time

Publication numberOT-2026-000023476 · never reused
Internal UUID01a0ae70-7269-7f31-b506-bd314e9f9c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023476
StatusPUBLIC

Content hashes

Canonical texte921ff1ca80f081fb52522ed6c831f7d3088c31712832c7ecfaeabee6108076b
Markdownb527c8b4e7351b8846c3cd457e15e46916068755338717ecec17a8b9fec3b795
PDF
Publication page555fc7f1c817736f603f121d51b05a2f1c83dc001fd20de6d40e2b6f6bf7c79e
Manifest885a73bb5cc84193906acf5d0531032d02cbdd64688699c37c53c400b26f1d05

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
SignatureJ5JlUy7xm/e0e4RKV05Fc4fW992QDAASdG/TfMkDyXgr2yYEyw0O4vJS+S767dGMX2yhd3NCJgRrIWWdfSmFCA==
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

2026-09-17T11:51:42.036112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023476
observed 555fc7f1c817736f603f121d51b05a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.018438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023476/manifest.json
observed 885a73bb5cc84193906acf5d0531032d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.000498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023476/publication.md
observed b527c8b4e7351b8846c3cd457e15e469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.984414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023476/publication.txt
observed e921ff1ca80f081fb52522ed6c831f7d...
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.