OpenTechnical

OT-2026-000029064

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained 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-2026-000029064) never changes.

Identity and time

Publication numberOT-2026-000029064 · never reused
Internal UUID01a0ae73-2a9f-74b0-995a-7e650955fc8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029064
StatusPUBLIC

Content hashes

Canonical text99213895bcbbe668a974ff7b1cd3efaa1531958c4bdce8cc927df6d5ecb225aa
Markdown947c352551ee875c5fafeccdea5795ae1e6133d16d0865ef747f94ff1ca59ac0
PDF
Publication page421d74ab1ae30d41d8efd31ac88e5b90c990033d54e43cff4c74fb9b21e08a97
Manifest27875e378c52a4a2c481c2adf75765c04af3d9166d61ef41b1339fcdb8329fa0

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
SignatureEjqbiR84uBIR9k4JM3/JML8GDpLBUANrAtB1ln2v1FFUntp/+8aC9EVFHC2M9yz3j/4h66i/uwAbIdxRp9owDA==
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

2026-09-17T08:20:44.206638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029064
observed 421d74ab1ae30d41d8efd31ac88e5b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.189270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029064/manifest.json
observed 27875e378c52a4a2c481c2adf75765c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.047756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029064/publication.md
observed 947c352551ee875c5fafeccdea5795ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.030566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029064/publication.txt
observed 99213895bcbbe668a974ff7b1cd3efaa...
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.