OpenTechnical

OT-2026-000084112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000084112) never changes.

Identity and time

Publication numberOT-2026-000084112 · never reused
Internal UUID01a0ae98-5b5f-7c21-bd03-fadf4333784b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084112
StatusPUBLIC

Content hashes

Canonical textbae8461c39aa7835f15455bfba336d5d9f48c64eb56f65050decd6d432e4f3af
Markdownabc4ba2df2b7727824c30963ee6f7b88af112ba338f4c922890241a8ff866a77
PDF
Publication page644051e9dd7606a71e5dc89c5de7026cb99516cbeb3421a32c8079d23751df65
Manifest0bc9838ba5a0f294a10d7a4ed447d41d69913c513cd013fb6ee5089e7c21eb39

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
SignatureKWDlz4Rciqw14hJnUMFxy3inM4cNjWzaMCzgk8fWkBqW/QHpBxFB+ijrLAphkrQ88jpyQySafudaWzptWLMqCw==
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

2026-09-17T09:55:52.172001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084112
observed 644051e9dd7606a71e5dc89c5de7026c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.154313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084112/manifest.json
observed 0bc9838ba5a0f294a10d7a4ed447d41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.135705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084112/publication.md
observed abc4ba2df2b7727824c30963ee6f7b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.116017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084112/publication.txt
observed bae8461c39aa7835f15455bfba336d5d...
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.