OpenTechnical

OT-2026-000013184

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013184) never changes.

Identity and time

Publication numberOT-2026-000013184 · never reused
Internal UUID01a0ae6d-6fc8-7702-9434-5fb3d79fc675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013184
StatusPUBLIC

Content hashes

Canonical text1718fd6cedd79592d5c45d5bb36a8ed91b680bd091f2524d18af382d765d365f
Markdown004a5d208e035a9dbb2668c0bec573f146c2769291a94f76d7b6735f0accccad
PDF
Publication page3f29acc5c0f503e860098744f2e7a428801f7d798cbae98bacc1b900551ba30c
Manifestb9b2a17def3ab39aaf52bb4f7e0204f5d3d4fecab52e07467d8f7cd4a6d5fe66

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
SignatureYqWQe0Utx0eKJs/pCPwJeg5IKI+ol3jBEBtARnoDCv4kvfP193rt2n3JIVnZFDWO80oYuwyXb0fUkzwpICK4Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:09:33.834549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013184
observed 3f29acc5c0f503e860098744f2e7a428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.816014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013184/manifest.json
observed b9b2a17def3ab39aaf52bb4f7e0204f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.798918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013184/publication.md
observed 004a5d208e035a9dbb2668c0bec573f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.781231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013184/publication.txt
observed 1718fd6cedd79592d5c45d5bb36a8ed9...
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.