OpenTechnical

OT-2026-000035640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000035640) never changes.

Identity and time

Publication numberOT-2026-000035640 · never reused
Internal UUID01a0ae76-b4c6-74d8-931c-8364eed9ffa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035640
StatusPUBLIC

Content hashes

Canonical text8c3b4a506a3ae586f35b0d437552a720b22510c2ee41935c9dcd3b365f558d47
Markdown41f15096024bd2f1b04d385ec62592496230337c7ee419ffc9343f35c4fa0717
PDF
Publication paged105280e7af937331b60fb294b45faf29b6a65b3c1dfc30a8f7327ce88c40e84
Manifest4930013af05a995ac346c6f65a70bb947f2f9eebf5659ddd65d68b7bad7b5976

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
SignatureM+n0ndGR2+5eFQhE/vxQSv4L7s+EXYhAIgudxUG4L8md7uRw8dcZUrqjVPhykrlPf28X1AS8nLa7w5ZhjoJtAA==
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

2026-09-17T11:27:11.389731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035640
observed d105280e7af937331b60fb294b45faf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:11.372735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035640/manifest.json
observed 4930013af05a995ac346c6f65a70bb94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:11.353431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035640/publication.md
observed 41f15096024bd2f1b04d385ec6259249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:11.334817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035640/publication.txt
observed 8c3b4a506a3ae586f35b0d437552a720...
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.