OpenTechnical

OT-2026-000093575

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000093575) never changes.

Identity and time

Publication numberOT-2026-000093575 · never reused
Internal UUID01a0ae9e-508b-726c-b071-f20792b9105e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093575
StatusPUBLIC

Content hashes

Canonical textb586cdd8aa7e471567d8060a6380dc6ff232ceeaa621d8cbd1b50de9a2772a2e
Markdown58374d9e53696b8a916ff3c547e01964f7640313e555f4cd1214f146b5d2b826
PDF
Publication page6d30d5f3a2fe5e0c777b731d6f0284458899512a369f44556cf487b19839e74e
Manifest7b0434921a45cbd02e6d28ef61844731dac3d831d53901fa88ce22fb0fddce6b

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
Signature/REUzIIkex0Sw4fLYMoVcsXOL8XvIJca3nF/aq9Fw+nh57gJ4/7AbyZMr8pQF1JLfRPnbNvWLdDErlAjsklIBg==
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

2026-09-17T09:39:36.461684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093575
observed 6d30d5f3a2fe5e0c777b731d6f028445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.445084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093575/manifest.json
observed 7b0434921a45cbd02e6d28ef61844731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.428413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093575/publication.md
observed 58374d9e53696b8a916ff3c547e01964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.411263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093575/publication.txt
observed b586cdd8aa7e471567d8060a6380dc6f...
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.