OpenTechnical

OT-2026-000058442

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000058442) never changes.

Identity and time

Publication numberOT-2026-000058442 · never reused
Internal UUID01a0ae88-f39a-7b91-a578-dd429d333397 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058442
StatusPUBLIC

Content hashes

Canonical text42abdec3beec00954b5d61daf6f31405d16fec1a7a6acd954a9c4397ca8b6640
Markdown8aca6e49fcaec7fb21587140570fbbdfcff83e77b463629b5df37edcae74a27a
PDF
Publication page06950ea16b559179f32e36d1d635321e0023d4a41cfdcee11c78146e5a2f6314
Manifest8f94e90a315e8fbfcc272187c43618b571998003274529c318d1098d09804186

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
Signaturehlr2BrA3lSiUdXe3aC/0iApYZHlLSuQMziKbCY2C9z+d/Emif8aS2C9gwg74TMXT+lgvfajoD9v/iBLkH5u5Dg==
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

2026-09-17T10:46:53.216320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058442
observed 06950ea16b559179f32e36d1d635321e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.198739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058442/manifest.json
observed 8f94e90a315e8fbfcc272187c43618b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.161696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058442/publication.md
observed 8aca6e49fcaec7fb21587140570fbbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.120014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058442/publication.txt
observed 42abdec3beec00954b5d61daf6f31405...
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.