OpenTechnical

OT-2026-000047806

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000047806) never changes.

Identity and time

Publication numberOT-2026-000047806 · never reused
Internal UUID01a0ae7f-c420-713a-be8f-b5b7b4c6b87f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047806
StatusPUBLIC

Content hashes

Canonical textce2500489c707331121cfeb455f9ec97ebbdbca8cec1b339d9aaf6df4042846c
Markdowne0074994f1c81a88401f137bfc33db602749d50c63e7e3a334555f492e28d4e2
PDF
Publication paged64885205bf8b7a2ed9a29eb0b1fe65ebf8a38e86a43fe8afbf46b9cd71554ec
Manifest809b510da83471bc6add78e5211ab0ad182566b897df930030f53f67012be032

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
Signaturejo/Z8mmd9WBhhWWMGvWJxgN6riVHE74Uh7Z+wEM/Vghm5fGAYAoV1A4i8T3JtrIg4+qtIH0DX8R7rWnxYEKxAA==
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

2026-09-17T11:05:42.570307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047806
observed d64885205bf8b7a2ed9a29eb0b1fe65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.552085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047806/manifest.json
observed 809b510da83471bc6add78e5211ab0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.533967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047806/publication.md
observed e0074994f1c81a88401f137bfc33db60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.515310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047806/publication.txt
observed ce2500489c707331121cfeb455f9ec97...
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.