OpenTechnical

OT-2026-000056327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000056327) never changes.

Identity and time

Publication numberOT-2026-000056327 · never reused
Internal UUID01a0ae87-4bd2-7b50-81e4-70e5e2ad658d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056327
StatusPUBLIC

Content hashes

Canonical text64f084e20d520b0873cb0b4c75e55a9db0220e4f091a93c057f4a4a85485d06d
Markdown9e2aacbeaa28a637ce2871e9ce3fac6bf837fa3f8b9e394b2a17ac1606ceca63
PDF
Publication pagebb1a8bf13899a5cd44ec13dbfab8d71439bd214d147d65f0e117ba7e61fdb7ea
Manifest2e807dca531ce7d1441925b5aad19a14bd279f8faa4ccd2b81a9a449dba5c2d7

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
Signature8gguAKqGFFKUo0I6x5/ZOQENRyte9hVzOGYYJeUfm+HGRyPAKgggTEEwXqoFNLTgZJLV6SNGa8fF2AhbpbSHDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:49.885429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056327
observed bb1a8bf13899a5cd44ec13dbfab8d714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.866748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056327/manifest.json
observed 2e807dca531ce7d1441925b5aad19a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.847134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056327/publication.md
observed 9e2aacbeaa28a637ce2871e9ce3fac6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.829412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056327/publication.txt
observed 64f084e20d520b0873cb0b4c75e55a9d...
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.