OpenTechnical

OT-2026-000012216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012216) never changes.

Identity and time

Publication numberOT-2026-000012216 · never reused
Internal UUID01a0ae6d-39f5-72de-b6a1-a645f2ef786f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012216
StatusPUBLIC

Content hashes

Canonical text68508afee5f2e1f0e225a23eb7426d2104cf4a0d725b0e81f990eb9e57f096d2
Markdowndee228ea310cbe84b6f9c8677035415b8258aa7dda04a47dc99ad84af3a035bf
PDF
Publication paged6c2d249fb074d67c8d27b8e7ef20223d2a908c10a1514e4ee19e1307d4c73d6
Manifest3966225e5fcf8bdad8b4dc60d00133633ae9bfe770980c28e013eaa9252bc689

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
SignaturevwvcXrKh3yEAWrMNppCX5vUReez5AjXgQRAj9GaLgU8M6xVejs4beBOnvXwcR1C55Ux4QfB6I8Z+e24Y3ZonAA==
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

2026-09-17T12:11:07.964949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012216
observed d6c2d249fb074d67c8d27b8e7ef20223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.945113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012216/manifest.json
observed 3966225e5fcf8bdad8b4dc60d0013363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.924381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012216/publication.md
observed dee228ea310cbe84b6f9c8677035415b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.903384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012216/publication.txt
observed 68508afee5f2e1f0e225a23eb7426d21...
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.