OpenTechnical

OT-2026-000014503

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000014503) never changes.

Identity and time

Publication numberOT-2026-000014503 · never reused
Internal UUID01a0ae6d-b27b-72e2-a9b5-c56b17a8146e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014503
StatusPUBLIC

Content hashes

Canonical text416e26f62a9a49f47f73e27bd96457f0c91b39271cf227259739083dec5732ed
Markdown1c2df958386877787b4a9eb3b2fd84a7b42c5e586a330dde6a7813119cc7648c
PDF
Publication page31241bc832d52bd0672a6295ae9750e4c1809e93a16736964860b0424a17ba14
Manifestd1c89fdba95cbeb3c6f860154e356c10245df7e214f60b900bf2f453ee823221

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
SignatureVKBYzHzt2nIwFle3RCVOuy9ss8jtxhZdLcYL6Dj5vAfbzZjUIZGLr5NyftNaQ8RDpqpCckJE/+9dPQ8vH+l6CQ==
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

2026-09-17T12:10:19.946753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503
observed 31241bc832d52bd0672a6295ae9750e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.924454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503/manifest.json
observed d1c89fdba95cbeb3c6f860154e356c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.905607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503/publication.md
observed 1c2df958386877787b4a9eb3b2fd84a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.885276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503/publication.txt
observed 416e26f62a9a49f47f73e27bd96457f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.545222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503
observed 31241bc832d52bd0672a6295ae9750e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.528219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503/manifest.json
observed d1c89fdba95cbeb3c6f860154e356c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.511911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503/publication.md
observed 1c2df958386877787b4a9eb3b2fd84a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.494776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014503/publication.txt
observed 416e26f62a9a49f47f73e27bd96457f0...
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.