OpenTechnical

OT-2026-000039498

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000039498) never changes.

Identity and time

Publication numberOT-2026-000039498 · never reused
Internal UUID01a0ae78-d8d2-7e64-b74d-688ea414d7fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039498
StatusPUBLIC

Content hashes

Canonical text39103d3c365ac2e3ef08bb912111cced7012b3322cee1de44fdf34b794dca2db
Markdowna43721258a08d707aef4ae654eae8ac72cfd57211df7b398e5b042260389a6e7
PDF
Publication pageb868cd44ec56fb78f9d6cf5dfd9b4710f6bd5c008555a0512d0e5a6078155e00
Manifest735a5a150af8051778c5f45d5e7e0cff1e815b119fa201a18eb7d38bee2e6f6e

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
SignaturegPzMz9BQTXTcvPR8x4g8TmrY5bi7YD05Ih4UI9sAmKvNfYokHWNXfehSbbTye3XqT+PXHmK4YicwgoF/nKRCBQ==
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

2026-09-17T11:19:37.672588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039498
observed b868cd44ec56fb78f9d6cf5dfd9b4710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.653118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039498/manifest.json
observed 735a5a150af8051778c5f45d5e7e0cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.634317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039498/publication.md
observed a43721258a08d707aef4ae654eae8ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.615171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039498/publication.txt
observed 39103d3c365ac2e3ef08bb912111cced...
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.