OpenTechnical

OT-2026-000043771

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000043771) never changes.

Identity and time

Publication numberOT-2026-000043771 · never reused
Internal UUID01a0ae7b-d676-79bb-8b50-187e51ea1aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043771
StatusPUBLIC

Content hashes

Canonical textab67c9097cbdcbc53338d2d3e953fec6111eb0fbaea99eb431328d31a37ea012
Markdown5ffa9a9a5f9c77d4e245a50f151543b56131796327489d5869e2be45d1e09387
PDF
Publication pageab3f46a053d14370fde311666851b38492b9b78ed884b143c7beffff7ddd28c7
Manifest12f500a5a39f670d29cb686480311b79a30526a550b704a18057b70398cacd76

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
SignaturearDudMhQjY6fzGfX7ijWSpkr/JwZEBwauxGxHyQAxaI0VastDF8UA99/0TvircVVOqOZb5E9ukb5nZ48KIloBg==
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

2026-09-17T11:12:03.609314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043771
observed ab3f46a053d14370fde311666851b384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.590386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043771/manifest.json
observed 12f500a5a39f670d29cb686480311b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.568998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043771/publication.md
observed 5ffa9a9a5f9c77d4e245a50f151543b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.547359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043771/publication.txt
observed ab67c9097cbdcbc53338d2d3e953fec6...
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.