OpenTechnical

OT-2026-000004622

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, ejector fed, 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-2026-000004622) never changes.

Identity and time

Publication numberOT-2026-000004622 · never reused
Internal UUID01a0a91e-00f5-7318-b3a1-d47c141919ca · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:28:30.968153Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004622
StatusPUBLIC

Content hashes

Canonical texte9c2b2b61886c0c99dc1ad5509ef186a51b6b16a28f7baa1d22ac43f680af277
Markdownf6b29c0bd820cc149c345de7c44fa78f4e2830705020a0d92f109c73d13792ed
PDF
Publication page5847d024b4b6a936ab096dc23503a773d885b7204b68adbcf19c720258b3c6c7
Manifest02e33366a2aba400a3bc087e97cb9b4653de28e78e44e4e8cc28f0f8f3930f9f

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
SignatureCxwSvILWEEpsVMhgqCCxgfoR3mWG0Rq9x4nZCnynKAkdAhz9C8oLaux5GFnbDdQTEK9BVEHy853HBsl7HLT8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:08.142219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004622
observed 5847d024b4b6a936ab096dc23503a773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:08.129911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004622/manifest.json
observed 02e33366a2aba400a3bc087e97cb9b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.993488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004622/publication.md
observed f6b29c0bd820cc149c345de7c44fa78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:07.981140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004622/publication.txt
observed e9c2b2b61886c0c99dc1ad5509ef186a...
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.