OpenTechnical

OT-2026-000090676

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000090676) never changes.

Identity and time

Publication numberOT-2026-000090676 · never reused
Internal UUID01a0ae9c-7f30-7f1e-b595-e55f1325ec5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090676
StatusPUBLIC

Content hashes

Canonical textbdbdb62b3f27f2f2fe8176632930162791ab8191a1c252604528db2aa5ab6adb
Markdown3c1368297e1a4d1f687025bd36fd342d3414b0267e68c919222e67cd40e7aa7d
PDF
Publication pageda4f3baa680d3be6741e1744fd93333fc950a3b08b80e3f7fc57ef054e514b8c
Manifest352830fe803abcab44fe969ddde09826f01deeb3de2af45d64de2302386cd685

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
SignaturekgpAYiZeizecdqTQkx+S2BOKunvQJut4pXFF4a8e120Y77vaAz05zQvh+N8gHnYJ3t+lIt31ej4Y1TeULydCAQ==
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

2026-09-17T09:44:52.358723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090676
observed da4f3baa680d3be6741e1744fd93333f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.342157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090676/manifest.json
observed 352830fe803abcab44fe969ddde09826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.326063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090676/publication.md
observed 3c1368297e1a4d1f687025bd36fd342d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.308115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090676/publication.txt
observed bdbdb62b3f27f2f2fe81766329301627...
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.