OpenTechnical

OT-2026-000007709

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000007709) never changes.

Identity and time

Publication numberOT-2026-000007709 · never reused
Internal UUID01a0ae62-843e-7fd2-8683-0ffaa668d5e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007709
StatusPUBLIC

Content hashes

Canonical text57228c1aa0a47d3d2aae8a80cb79672f7e50067aec220a143a584ecf3a98b228
Markdownd2957ec8a86c574faf2bee90094ab2249e4e784c59bf67ebc7a4fdfe821295d5
PDF
Publication pagee02573d991279ad2e374f82e8306a1dedd744df003597f24e5adfbda8b2d88b3
Manifestbe6a28cc174df2ea70d2949c83a1be00628f36b3e1c2a0407444ffd21073ab0c

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
SignaturevyhSgdAZleOCbeboJ5Jl2znXhSnBY9qHiSIlVlNEj5ipm/6tj0zOTcpEKMu7v3JR/YOpOqR4ozUtxnDulWE9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:05.677305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007709
observed e02573d991279ad2e374f82e8306a1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.658005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007709/manifest.json
observed be6a28cc174df2ea70d2949c83a1be00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.638745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007709/publication.md
observed d2957ec8a86c574faf2bee90094ab224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.616873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007709/publication.txt
observed 57228c1aa0a47d3d2aae8a80cb79672f...
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.