OpenTechnical

OT-2026-000104046

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000104046) never changes.

Identity and time

Publication numberOT-2026-000104046 · never reused
Internal UUID01a0aea5-341e-771c-9bff-6c57da94135e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104046
StatusPUBLIC

Content hashes

Canonical text2f63595f7a80cb21aa2ff287af536ad05e6bf8c682380e4abcad1853f7d8d825
Markdowncfbddc8184c28073166ff6e2f0197d5b693073ebf050c7104308109dcc70cb9c
PDF
Publication page9422d83c9e14a818e2c6e9cb80b38836807b1e009a558660e736e88ff3e0d345
Manifest8210212529753ed0e74a67092c360bd9a9e834ac448981a4d761836c0d4e2d7a

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
SignatureZ9OgXGvMN7Kon/1ew8dRv1xgkZ3O4kWRFn+ztSIMxAmZvOFX7iWslsCK1TSWoVbnnkAJ01s9337U6qYMOpAjCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:06.760862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104046
observed 9422d83c9e14a818e2c6e9cb80b38836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.743786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104046/manifest.json
observed 8210212529753ed0e74a67092c360bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.725990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104046/publication.md
observed cfbddc8184c28073166ff6e2f0197d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.706815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104046/publication.txt
observed 2f63595f7a80cb21aa2ff287af536ad0...
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.