OpenTechnical

OT-2026-000018679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000018679) never changes.

Identity and time

Publication numberOT-2026-000018679 · never reused
Internal UUID01a0ae6e-d520-7f06-9041-514d1be3eba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018679
StatusPUBLIC

Content hashes

Canonical text1abc0c6fd6d60d91fc32b30605f42072b722cac30fef9af180175a84434474d5
Markdowna01de2a9b95eb471eb9c734d5d83acb41ed1207c11fcd30af2bb5c0c7e3f0bbc
PDF
Publication page7a17a896e563f791b1e1e18cf664b03a542e53fd3d2c9a1294d78f76c3624a87
Manifest0242e4bafc582decdbb4e3e676271f08ce7fb0b0676589d6fc640da5cc82e663

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
Signaturezz49cquDTbt5Yxnw6tqjobZDE1K5tZUtXITVFGhZcF1CrzJz+m9Nm4nEoLK/7sY7HfmeWEn+czQcbGZLOMYcCQ==
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

2026-09-17T11:59:16.518248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018679
observed 7a17a896e563f791b1e1e18cf664b03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.501203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018679/manifest.json
observed 0242e4bafc582decdbb4e3e676271f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.484717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018679/publication.md
observed a01de2a9b95eb471eb9c734d5d83acb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.467494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018679/publication.txt
observed 1abc0c6fd6d60d91fc32b30605f42072...
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.