OpenTechnical

OT-2026-000058392

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000058392) never changes.

Identity and time

Publication numberOT-2026-000058392 · never reused
Internal UUID01a0ae88-f39a-7cdc-a9bd-4c38f32eb287 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058392
StatusPUBLIC

Content hashes

Canonical text1468b9f3daa313655a83294cc201c8f4d449e1ee1934eb1e6a5b1a4c54d08bac
Markdownf6a72c028bbbd59950f04ff3a78f4fe78e12a9ad4ac7f5275310bd0fa3403068
PDF
Publication pageb457ff0176b47de19e7de2afe601c08ca92dbc399f2a199ebd84390d2b9cb543
Manifest5273b2ec5560e5b525bb7e111502f065c493958d4aa447c56dfbf8fcdf9cb060

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
SignaturepCACZE7NRnV7GlxEVQWevgui7lavttOoXzJMDHXWnjdv3Xl3tQUZvf1yqTQshYmPotF4+lwq10cLzOnH84neAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:49.226569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058392
observed b457ff0176b47de19e7de2afe601c08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.209148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058392/manifest.json
observed 5273b2ec5560e5b525bb7e111502f065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.193015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058392/publication.md
observed f6a72c028bbbd59950f04ff3a78f4fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.175576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058392/publication.txt
observed 1468b9f3daa313655a83294cc201c8f4...
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.