OpenTechnical

OT-2026-000038064

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000038064) never changes.

Identity and time

Publication numberOT-2026-000038064 · never reused
Internal UUID01a0ae77-f88b-7262-92bf-7b5f222335fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038064
StatusPUBLIC

Content hashes

Canonical textecca0ad7b119c6875c0386e224222afb24e8c9110ab8660b24f40b97a6ebf392
Markdown78e09ec90b93d6c033a4354fb70b98da365695b6fc2e942eb85c9cfa4386cf35
PDF
Publication page3c556eb6be6ae2b23aae54ed74461a7d2a073f0226473b0abcf7076157acb819
Manifestfacb25ace9b31223a53051b6e869b93bb619bbd87097f6bb10c387092b875c2b

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
SignatureMQCVlJrwSPn1gPlmro5621KJgHnKD0PuL0NsnYQUyR+49Ava/8Z3KxR/6LvY1Jhfd3Vs4DvsFAa+y+WSJP++Cw==
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

2026-09-17T11:23:23.258991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038064
observed 3c556eb6be6ae2b23aae54ed74461a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.240604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038064/manifest.json
observed facb25ace9b31223a53051b6e869b93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.223004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038064/publication.md
observed 78e09ec90b93d6c033a4354fb70b98da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.205598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038064/publication.txt
observed ecca0ad7b119c6875c0386e224222afb...
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.