OpenTechnical

OT-2026-000035819

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000035819) never changes.

Identity and time

Publication numberOT-2026-000035819 · never reused
Internal UUID01a0ae76-b4c9-7557-8fe2-04d3d3a9511f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035819
StatusPUBLIC

Content hashes

Canonical text8a329030efa7036c3ef674c4d73cda3250f99fd62e62f3a2a315fe7036ab9a3f
Markdown28126f8913c61e1efc5124ab05e107fb6c9c92d4b006725667254f7f40b97867
PDF
Publication page9f99cf5144b9743fd2287a3e806a9b10c73c7c75d047269871ba81edd80efe88
Manifest06ca6086f906f276d7ff4a6a05f91b13af086cab126287bf8ba48e03e337e802

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
Signaturem1vOYA3ndBw+ARcuyc+TiRIZEVIXcQIGIECmVsrf84a+SPa30afzGJwla9EcbbJ2oWW0i0Y3PcMrOwyc+zFiCg==
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

2026-09-17T11:27:32.090158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035819
observed 9f99cf5144b9743fd2287a3e806a9b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:32.072918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035819/manifest.json
observed 06ca6086f906f276d7ff4a6a05f91b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:32.055709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035819/publication.md
observed 28126f8913c61e1efc5124ab05e107fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:32.035549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035819/publication.txt
observed 8a329030efa7036c3ef674c4d73cda32...
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.