OpenTechnical

OT-2026-000045696

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000045696) never changes.

Identity and time

Publication numberOT-2026-000045696 · never reused
Internal UUID01a0ae7d-8f04-7287-8cf9-f16208f1672c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045696
StatusPUBLIC

Content hashes

Canonical text08a8e0fe07046feb059d7823c1ecc0a2419c43255f670c8809aba1d6d2052a12
Markdownb78a0be8946aa50f1a4cb84db9d867481fea1aa1f910fbab43e9bfec0d6a799d
PDF
Publication page496782aca6beeac7476d417ef7275297d09d3f2e18dbc4f962caf38d7c63f022
Manifest16891a803f336e143247589eab7765e1a80594cab84c663caac87b0926877f27

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
SignatureUyqdUPq6v8axYp1ncNXUcjbc+lZiyuRh5dlx6GuAt855c4dPzk8xhSjyeE7N51OKr9V0lPGb4JNPRsoz9b1LAg==
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

2026-09-17T11:09:30.076527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045696
observed 496782aca6beeac7476d417ef7275297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.059276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045696/manifest.json
observed 16891a803f336e143247589eab7765e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.039137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045696/publication.md
observed b78a0be8946aa50f1a4cb84db9d86748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.018012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045696/publication.txt
observed 08a8e0fe07046feb059d7823c1ecc0a2...
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.