OpenTechnical

OT-2026-000008797

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000008797) never changes.

Identity and time

Publication numberOT-2026-000008797 · never reused
Internal UUID01a0ae6a-e46c-7328-8cac-f575d3c32646 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008797
StatusPUBLIC

Content hashes

Canonical text45f75b151835761827ff2e9b196f18799bf6e309a3a736a20134dfc24923d6ce
Markdown798aa40a35c51ce93461542eca2b39d1cd0aaa5376c73a95580ba28492b702de
PDF
Publication pagec6e7af5023e10fbd8b6b148f71948ea70e65baee7a41742e0465809963b529bc
Manifest671b30169c287e274f66024c08885891ec3117f6417f63b31deedb8ce8ade4fe

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
SignaturetAAFVquUiLbj3GTMSCBR/3T4S2HuXXnYk3clhnjDrwCr0O8mHQ1pkwWYUYSgpMl11YqJEQybE+Hl/b1j4NWaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:04.997979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797
observed c6e7af5023e10fbd8b6b148f71948ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.973661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797/manifest.json
observed 671b30169c287e274f66024c08885891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.950529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797/publication.md
observed 798aa40a35c51ce93461542eca2b39d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.931696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797/publication.txt
observed 45f75b151835761827ff2e9b196f1879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:43.942961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797
observed c6e7af5023e10fbd8b6b148f71948ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:43.922063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797/manifest.json
observed 671b30169c287e274f66024c08885891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:43.902608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797/publication.md
observed 798aa40a35c51ce93461542eca2b39d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:43.881320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008797/publication.txt
observed 45f75b151835761827ff2e9b196f1879...
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.