OpenTechnical

OT-2026-000022260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000022260) never changes.

Identity and time

Publication numberOT-2026-000022260 · never reused
Internal UUID01a0ae6f-f4fc-73fb-9e94-e3413e95927a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022260
StatusPUBLIC

Content hashes

Canonical text0e15f24b1698d6afcce9e07cb3bad7b9937a3227f02c3c96e6269fc149677ba7
Markdown9fcbeeeb6fe4eec6c8ed169550eed90e1c9c33927fd02295792cdbfe9f2e3f55
PDF
Publication pagec73b88f7f5b0626bb4b3c52e4775067eb1e4046ab103dd4503d6e2c58a75d002
Manifest704b955bbd92f65d5ef8c1f7b3b5fa35ad674416979f7b7484f85e5ed8fed561

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
SignatureU7YUzdWXZUyXHeUDThWEqMzpDoKdFisCzYKavEafOI8fXAJou09acTBbTrYSjSh/9FMXAUZ9cDk3qvEvJkKwAA==
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

2026-09-17T11:53:03.509455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022260
observed c73b88f7f5b0626bb4b3c52e4775067e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.490164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022260/manifest.json
observed 704b955bbd92f65d5ef8c1f7b3b5fa35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.470568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022260/publication.md
observed 9fcbeeeb6fe4eec6c8ed169550eed90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.450000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022260/publication.txt
observed 0e15f24b1698d6afcce9e07cb3bad7b9...
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.