OpenTechnical

OT-2026-000061181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061181) never changes.

Identity and time

Publication numberOT-2026-000061181 · never reused
Internal UUID01a0ae8b-1380-77fd-babc-fd0033337dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061181
StatusPUBLIC

Content hashes

Canonical text00b5a55d9f7774d8d9c6ad767a8b12e42e1479b0ad6e67ab73c9f4f82a8e8112
Markdown8d1b64bb7246ad6191f6473f6f5e9d449c24003d56bfaf70b9aab1ca79b4c20b
PDF
Publication pagec2e966228e68c709b901957ee9b32ac09d5baaa2bfaab8d14ff0cee33cc217e2
Manifest7928bd4d803d846197a0388a5342b1b9b7e1ab2fa4f886737189d305d56b10ff

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
Signature7hItVERxgJfZ6AjvJmxcBxZGFIlT+Y7KKgWP7vT3aEytz/+05PZTJWRcY8GMsMdsqgDg3rjk5tctEXdJeLT0DA==
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

2026-09-17T10:42:34.421417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061181
observed c2e966228e68c709b901957ee9b32ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.402537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061181/manifest.json
observed 7928bd4d803d846197a0388a5342b1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.383959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061181/publication.md
observed 8d1b64bb7246ad6191f6473f6f5e9d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.366626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061181/publication.txt
observed 00b5a55d9f7774d8d9c6ad767a8b12e4...
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.