OpenTechnical

OT-2026-000066093

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000066093) never changes.

Identity and time

Publication numberOT-2026-000066093 · never reused
Internal UUID01a0ae8e-8dc2-7874-891c-4928a24ad687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066093
StatusPUBLIC

Content hashes

Canonical text77c7af89f202d30d90c42782adae2f733a32052772cb274b76ce2e17fcfc8320
Markdownce4944723213bbdaa6f44b7257f1f62e94832c6830b87ca59bed7d64702eb608
PDF
Publication page79944dac34b4a9802f11c80131f2f80efd94b4020240de7fb28b6cd268b5e169
Manifestb5429cf3171daa580134f3885332e27438a98b5b6340451a668ce3d0d4c65d3e

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
SignatureQZGJ/8UN495cQwcoxHKdHa4MyV9TCl9o2da7i7X6Rr4Zd4HnC4YUqPbgmSmi8px21fzKaKlz2RKaa2auMk/wDw==
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

2026-09-17T08:50:47.046271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066093
observed 79944dac34b4a9802f11c80131f2f80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:47.023949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066093/manifest.json
observed b5429cf3171daa580134f3885332e274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:47.001745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066093/publication.md
observed ce4944723213bbdaa6f44b7257f1f62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:46.982690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066093/publication.txt
observed 77c7af89f202d30d90c42782adae2f73...
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.