OpenTechnical

OT-2026-000043308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000043308) never changes.

Identity and time

Publication numberOT-2026-000043308 · never reused
Internal UUID01a0ae7b-327d-779b-a259-69fa9f05c77f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043308
StatusPUBLIC

Content hashes

Canonical text3253fb6f55f0290d21aab1dbee3b406e352bbc41a2ecb68bc9054d0dd3cea721
Markdown1268a54a43d578db48acc66a43bacec7849e60e7ef05c714e8e9639f6a502360
PDF
Publication page62610a64d2c6f56c255854915ee0e6bc3e0e3f0522b9143e42f230b25bee0f96
Manifestdb77067e9e7c1e889e85094d808320bc3694bc0111c8ac8a344e281aba9752ae

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
SignaturemPF9Q4veakgvTw6RUHmCjxjKYZQvcWYxMYARqd2xmqP+j1zQZLLHw5Uthd+sDc1JljTJDDBOFLnj1e7/tXT5DQ==
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

2026-09-17T11:13:48.478066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043308
observed 62610a64d2c6f56c255854915ee0e6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.457460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043308/manifest.json
observed db77067e9e7c1e889e85094d808320bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.435945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043308/publication.md
observed 1268a54a43d578db48acc66a43bacec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.418143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043308/publication.txt
observed 3253fb6f55f0290d21aab1dbee3b406e...
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.