OpenTechnical

OT-2026-000039564

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000039564) never changes.

Identity and time

Publication numberOT-2026-000039564 · never reused
Internal UUID01a0ae78-d8d3-79ff-98c2-6898cc8c9ddb · 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-2026-000039564
StatusPUBLIC

Content hashes

Canonical text2d3b5b6254c3b98dda39db14d1404418ab65d539b481f87c815ecadb4c224448
Markdowne2be83f857806053ea8f9ed8791d1e8b7b4fa684c49806003fff68d947663d1b
PDF
Publication pageb0758e1fa0a2c11586c75460d5b124cccbc6b74d7b891feac292f7fb9ecac40e
Manifesta20f95fcbc977ff4fa55ba20b0d204147425c43c5c215f7e8840823d0c775df8

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
SignatureGyz6MDk+dCYpF/t0M60C7+2UzhATEkUWIEzXY6i0GSLo+GGNQ6vnQztKAGrQYtGnYV5JdMQmszVG5As7EcNPBQ==
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

2026-09-17T11:19:33.479855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039564
observed b0758e1fa0a2c11586c75460d5b124cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.463178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039564/manifest.json
observed a20f95fcbc977ff4fa55ba20b0d20414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.444584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039564/publication.md
observed e2be83f857806053ea8f9ed8791d1e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.390830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039564/publication.txt
observed 2d3b5b6254c3b98dda39db14d1404418...
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.