OpenTechnical

OT-2026-000016891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000016891) never changes.

Identity and time

Publication numberOT-2026-000016891 · never reused
Internal UUID01a0ae6e-591a-76f8-b1c3-1d299775dd38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016891
StatusPUBLIC

Content hashes

Canonical textc56703fd99a2c8b46910faf9d02e4feca45e42b1e6da0b28d2c0552c75b88085
Markdown1ae55c7b7a5e159fd056e941d83a178822b7643a41dcd1c841e02071c226c7a3
PDF
Publication pageaa8e35d8a8239cd21b9a7eae9f891d9eb4e096e30a5166923d392cb0503794d9
Manifest9269d9ae64b0c613c312657b6710a263a9a12e939ede4efa05c7d5c9e52c54d4

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
SignaturebLIlspiPA++8HzjcVhvUScoK84Jtx5MaTFkia4+sbcSO6uTA8qMwKq2+zqF3xEz+/BZKbb7bxKBhnXBrEMIzBQ==
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

2026-09-17T12:03:09.871204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016891
observed aa8e35d8a8239cd21b9a7eae9f891d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.854430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016891/manifest.json
observed 9269d9ae64b0c613c312657b6710a263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.837324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016891/publication.md
observed 1ae55c7b7a5e159fd056e941d83a1788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.821333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016891/publication.txt
observed c56703fd99a2c8b46910faf9d02e4fec...
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.