OpenTechnical

OT-2026-000042685

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000042685) never changes.

Identity and time

Publication numberOT-2026-000042685 · never reused
Internal UUID01a0ae7a-c0cf-7a1f-a4ad-c2ce3f7b4e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042685
StatusPUBLIC

Content hashes

Canonical text9ddb0a9368d5ff7232dc94363f235b771fe2afeb78dd8866a63a587114af0b54
Markdownf46781aeb5d88c540f44851ebfe45ab2fd7272746346bbb051b4ac6d102bafea
PDF
Publication page498e9cd8650beb6ac367d1f059e9cc91b718928ca9943a11fec33907e61fbbe4
Manifest7860141722d6b9c92d6e255558247ac8e6d1f4c4b2c214e834db0be22a87aac1

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
SignatureqtfJarIUMpFT+t8iH00DkX1sAZf6oXflFrs2MV9Z/79bPJM0ANOsY1oK5XmNJUZ3sQ/5PEo8hs9tpnrK7bQVDQ==
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

2026-09-17T11:15:02.425822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042685
observed 498e9cd8650beb6ac367d1f059e9cc91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.407749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042685/manifest.json
observed 7860141722d6b9c92d6e255558247ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.389388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042685/publication.md
observed f46781aeb5d88c540f44851ebfe45ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.370993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042685/publication.txt
observed 9ddb0a9368d5ff7232dc94363f235b77...
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.