OpenTechnical

OT-2026-000025993

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000025993) never changes.

Identity and time

Publication numberOT-2026-000025993 · never reused
Internal UUID01a0ae71-a83f-7082-a671-c1c23bae4a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025993
StatusPUBLIC

Content hashes

Canonical texta0e6244bedf9c6fae8f6cfa5f4b2e1ba22504172d8447271103d85a389980797
Markdownc9797efe7084e8b36ee521306485ab35a8066d192df48b9f8cb890d5af3b257d
PDF
Publication pageb8f7540e1daf39d4e4489ea1fda02c3d09de662a3a74fcc897efaf90e214c6f1
Manifest72945b33a1ebb0553f1127be50d9e04932872e1bb5cb69ed8d3a749c295bd3bf

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
Signaturewh2Wbvl96lz5DTWT4P8fHFtM4liHyLYOAn5Ps8zRauykaZg89Pu4wSoHzooN50UC6bUPMwyeLMujUu4K6iN3DA==
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

2026-09-17T11:46:21.997463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025993
observed b8f7540e1daf39d4e4489ea1fda02c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.981219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025993/manifest.json
observed 72945b33a1ebb0553f1127be50d9e049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.964695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025993/publication.md
observed c9797efe7084e8b36ee521306485ab35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.948213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025993/publication.txt
observed a0e6244bedf9c6fae8f6cfa5f4b2e1ba...
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.