OpenTechnical

OT-2026-000048926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000048926) never changes.

Identity and time

Publication numberOT-2026-000048926 · never reused
Internal UUID01a0ae81-134b-7f3f-9427-d82977d069b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048926
StatusPUBLIC

Content hashes

Canonical text55b4ec59074f83ed871c843e9265cac83bfc7e2c27d3726b6b24ca2e60a12427
Markdowneb6c1f19df654f7e1c863b63c81a29ed26032a3c633018ac5556642dc6f46d55
PDF
Publication page44317f939bf3d7c2511fdac0e6f35d681ef3cf2b00d545c41d133a54da9985f0
Manifest6693377dcbd77d393a84bfaec7be14d813a98053a3675521a0e823d5922ae901

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
Signaturea1KYSpqEU+kD+E9WJZAOYyB5w9ySFh7cwb2fPjmpkUA1YAWcHr1867aFzIZLstygS6RWso0QF8wWs+9i0OP/CA==
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

2026-09-17T11:03:06.313827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048926
observed 44317f939bf3d7c2511fdac0e6f35d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.295497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048926/manifest.json
observed 6693377dcbd77d393a84bfaec7be14d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.276818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048926/publication.md
observed eb6c1f19df654f7e1c863b63c81a29ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.259542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048926/publication.txt
observed 55b4ec59074f83ed871c843e9265cac8...
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.