OpenTechnical

OT-2026-000034361

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000034361) never changes.

Identity and time

Publication numberOT-2026-000034361 · never reused
Internal UUID01a0ae75-df0e-75bf-83fe-8e599c2a6d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034361
StatusPUBLIC

Content hashes

Canonical text4eba0b7f85ed5e9a19063aa3093ede6c1eafc9d2584cf6f01edb103ae08b5ba0
Markdowne77b350f2bcdd003894ce2c2ece6f4f43108fff345e86998757e98af38de5fcc
PDF
Publication page41d62548829912036699b3059d9f61e329684eb7c885a8e83c4dd1c95fcfc2d9
Manifest2b487afcec6e686c6cb53e67041dc346e3e50bf2578a162309a7252d0b9973e4

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
SignaturejB1io5VboxxvLb2fcMCZUb8K+HreH/adqZpRLslpALWKvWlLcnlDBSOt71KcbNaCNo/kuhelWmYvEF1UHqfZAw==
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

2026-09-17T11:31:03.974146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034361
observed 41d62548829912036699b3059d9f61e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.956403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034361/manifest.json
observed 2b487afcec6e686c6cb53e67041dc346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.932298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034361/publication.md
observed e77b350f2bcdd003894ce2c2ece6f4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.915399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034361/publication.txt
observed 4eba0b7f85ed5e9a19063aa3093ede6c...
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.