OpenTechnical

OT-2026-000078246

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000078246) never changes.

Identity and time

Publication numberOT-2026-000078246 · never reused
Internal UUID01a0ae95-7c27-76e1-8191-7666863fbbc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078246
StatusPUBLIC

Content hashes

Canonical text8dc06c3b312e9e5e20da6689d7af10a9618d683ce03b5f8bc077ab4a4c7d616e
Markdown36906d5b5929ee6f80e2040c0e03f8e340bb98999b3b9530b7cac0db803a4549
PDF
Publication page396613002d50d392170de795675f390af7f7322354f7702f10417d7292f8e4d1
Manifestc4a28fd7999acab504295eebf484a691225680b4fdbcc9e3bdb39f4b482db558

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
SignatureWS6xEXdQa9dP8mj0KSRUdVk3nbyQQ26RD5a8mlNDCwzpQMr98Ho6PvGnunospk+Bf3LpU17FD5fKAsEtC1XJBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:11.896802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078246
observed 396613002d50d392170de795675f390a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.877225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078246/manifest.json
observed c4a28fd7999acab504295eebf484a691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.859465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078246/publication.md
observed 36906d5b5929ee6f80e2040c0e03f8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.839635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078246/publication.txt
observed 8dc06c3b312e9e5e20da6689d7af10a9...
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.