OpenTechnical

OT-2026-000048080

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000048080) never changes.

Identity and time

Publication numberOT-2026-000048080 · never reused
Internal UUID01a0ae7f-c423-7a44-b39f-ccdee38ba2a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048080
StatusPUBLIC

Content hashes

Canonical text18247000bdfcae9c50d8d434688f0ba77bd7de8ecc2dc491922484b4f630bf8f
Markdownb5f7f3baf2ddaecffc35589f4f3e0b1cbe4f5fd36e4d22df1370be677731c2bf
PDF
Publication page9e567d4e9bf88d6d86f21ee094b1ace453a6fbb4d4febbe551a58dd04ba94f17
Manifest92bfff79320bff7402bd8eadff8428eb6ec324313c8aad3ad483354352a94ef8

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
SignatureJSOvlh8GuH1yi3kz7qYOlD2cHjtMupga1UGmQD1BRMx/DOgRjzC6U4Otyf9f7lea7UpOGlNvjtpqIFtmFl81Dw==
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

2026-09-17T11:06:05.904791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048080
observed 9e567d4e9bf88d6d86f21ee094b1ace4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.884870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048080/manifest.json
observed 92bfff79320bff7402bd8eadff8428eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.865858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048080/publication.md
observed b5f7f3baf2ddaecffc35589f4f3e0b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.846059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048080/publication.txt
observed 18247000bdfcae9c50d8d434688f0ba7...
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.