OpenTechnical

OT-2026-000081923

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000081923) never changes.

Identity and time

Publication numberOT-2026-000081923 · never reused
Internal UUID01a0ae97-0f76-790a-aeb5-a22281eca796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081923
StatusPUBLIC

Content hashes

Canonical textebe4ba4e9ddb9097f273cfce0938aa15f8ce788fe838b40e69220b9653f75d70
Markdown19e2dbf1f3924f7f5d6f7521f72e2fffd13e19e87dbbc42e68a00e292c41af59
PDF
Publication pagee0ddd3605bbd51a7eb03a95bc33ee894bb0173bc095e8194d7e28ac6378e8017
Manifest82626d5e62d2adabc27e71556bc6e52816df370f27840512136704f75dc15935

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
Signature7jp6nt1c1kbJHQYXrrxgTcOlf0+h0hy21KzskuasTFZPcIGTvYhaqAJAo4Xb+x6mZaDVV8v2PZLfLpZRR9dWCQ==
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

2026-09-17T10:01:03.154201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081923
observed e0ddd3605bbd51a7eb03a95bc33ee894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.138632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081923/manifest.json
observed 82626d5e62d2adabc27e71556bc6e528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.120760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081923/publication.md
observed 19e2dbf1f3924f7f5d6f7521f72e2fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.105809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081923/publication.txt
observed ebe4ba4e9ddb9097f273cfce0938aa15...
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.