OpenTechnical

OT-2026-000015572

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000015572) never changes.

Identity and time

Publication numberOT-2026-000015572 · never reused
Internal UUID01a0ae6d-ef4b-7b3b-8823-6f226c599319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015572
StatusPUBLIC

Content hashes

Canonical texteddb659b1920ae69039dbf3a7ceff5aad8fe82a8db661556cfe08abce6e352d9
Markdown73cb6ffa56f9301b09d5e82c96e1024d2f1e09b4c10fba4fcd0ccaa866f1331b
PDF
Publication page7dc67956b21e96c3df5d69906dcea88e1124bbe438d75b8fb52964b24c1659b8
Manifest165668299a3accfe2798aae3e56f36fff54b658b6e5d3c4fd4c5f8d1fd294eb4

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
SignatureApnhZe4YT8/BYKn0u8OcCF3U1kMHLK2RKT9HcMvjYKw8wXw1jpzLpZ7p00DAnk5fCdxVg3FzdbW/mum98aZUCg==
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

2026-09-17T12:06:21.890465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015572
observed 7dc67956b21e96c3df5d69906dcea88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.871038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015572/manifest.json
observed 165668299a3accfe2798aae3e56f36ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.851526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015572/publication.md
observed 73cb6ffa56f9301b09d5e82c96e1024d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.832928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015572/publication.txt
observed eddb659b1920ae69039dbf3a7ceff5aa...
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.