OpenTechnical

OT-2026-000038909

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038909) never changes.

Identity and time

Publication numberOT-2026-000038909 · never reused
Internal UUID01a0ae78-769f-7c7a-ba35-4451aaa9ab15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038909
StatusPUBLIC

Content hashes

Canonical text996549bd1f81767d5c0941af343edd3df33673feba726101e21c28b2267c3614
Markdownc03d35923cd8a68c3521891e401d263f4c1ed2261bb0ceba23c854a70bce1d75
PDF
Publication page7e206880caedebeafea47667cb19c2451fbdc55d11f9d4147d863f850829438b
Manifest88a87b7b619ceab54c9fe15a250ab06275e2353de1182ee75ea77b0d63b5edcd

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
SignaturevZ7IfJ3wQKhpfkmF3IBfQ03dqcvCExCldztuau6514j4lHvm7kNmI92k1bQf7Enz9cT+Hb0c2TLZcAMyzi0DDg==
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

2026-09-17T11:21:34.887614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038909
observed 7e206880caedebeafea47667cb19c245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.870339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038909/manifest.json
observed 88a87b7b619ceab54c9fe15a250ab062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.852190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038909/publication.md
observed c03d35923cd8a68c3521891e401d263f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.832914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038909/publication.txt
observed 996549bd1f81767d5c0941af343edd3d...
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.