OpenTechnical

OT-2026-000017511

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000017511) never changes.

Identity and time

Publication numberOT-2026-000017511 · never reused
Internal UUID01a0ae6e-76ca-7cce-a381-e14fc6381338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017511
StatusPUBLIC

Content hashes

Canonical text242298f9e86af65cc5c77cd0f385b857f235f87e3a1fecb49ba70596c6a791e5
Markdown65722b2753f667e546b5ad9b54d07b1c910f3c81a4ffefbf2eec3cc47d0e2989
PDF
Publication page0b7ba012ccf668f1a51c795fab1005da37dd8bae68c87b5eb3c931c9a7aa41b9
Manifest359af731f347d493643c868ee96d9518a4c2587a89b1115d80ef895fdb1211c6

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
SignaturerLJ+9rGgzBgBgAM3qXgI8JJeOMK6qEG7Db4eJKGlZiSOWuHZPEY1djteRefB8FoaATAxnFDNvco9hsKes57sBw==
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

2026-09-17T12:02:40.058970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017511
observed 0b7ba012ccf668f1a51c795fab1005da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.040406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017511/manifest.json
observed 359af731f347d493643c868ee96d9518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.018017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017511/publication.md
observed 65722b2753f667e546b5ad9b54d07b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.996941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017511/publication.txt
observed 242298f9e86af65cc5c77cd0f385b857...
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.