OpenTechnical

OT-2026-000025356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000025356) never changes.

Identity and time

Publication numberOT-2026-000025356 · never reused
Internal UUID01a0ae71-5fa7-7999-8195-ee8d19538a1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025356
StatusPUBLIC

Content hashes

Canonical textf50f2112df9b18f0d2b5bc72d379fada2bf0552d7bccfba0b839c08f72fa1e33
Markdown2bd6039c26e5baa9fe0b54edcc843830fe4c7fbf84f7fcbbc04a0db6d25e256f
PDF
Publication pagedf76a2ecef12ac8be407ec03b8b3c8edb911f44048417a2e43a897de1ff7eeec
Manifest1ed9d419df9dde7bca9e6e5eb4b827f1036607196803b94e6c39dfabf5ef0e65

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
SignaturehbQrouHM63rJYZgjxaCWT5P+sQy0j8IpcjiK0OKNDGNrjgj56X+ioOe0LdhwAewRhV2Ha7wM8hUdCpugOvBGDA==
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

2026-09-17T11:47:24.729711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025356
observed df76a2ecef12ac8be407ec03b8b3c8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.701672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025356/manifest.json
observed 1ed9d419df9dde7bca9e6e5eb4b827f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.680054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025356/publication.md
observed 2bd6039c26e5baa9fe0b54edcc843830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.636898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025356/publication.txt
observed f50f2112df9b18f0d2b5bc72d379fada...
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.