OpenTechnical

OT-2026-000029020

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000029020) never changes.

Identity and time

Publication numberOT-2026-000029020 · never reused
Internal UUID01a0ae73-2a9e-7dab-ad47-54ef4e29076c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029020
StatusPUBLIC

Content hashes

Canonical textdc297907ce552ddb48cca731b7cdac18f7873602981d641a89b14d64c69cec3d
Markdown733e6bdf9e2a8f3e64bc03752a586a36c3d2d837558cd02ed41c300af2b1b37a
PDF
Publication page75d476d103f6222496455c72c4075005a22c0cc2c4ca64f42c8f0166541581f3
Manifesta358d60a054a98088986fea154d261f417e823735e02595fdfb2600dfcba47c1

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
SignatureJroNBbbGglQtN7BkemfNFxRCFhFlxKwPCV4i61DBxnWA2zdtIXWbqvfqcNAquyb2aIu2p9ms5EDg+VvmUIEcBQ==
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

2026-09-17T08:20:36.270577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029020
observed 75d476d103f6222496455c72c4075005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:36.248166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029020/manifest.json
observed a358d60a054a98088986fea154d261f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:36.230685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029020/publication.md
observed 733e6bdf9e2a8f3e64bc03752a586a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:36.206046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029020/publication.txt
observed dc297907ce552ddb48cca731b7cdac18...
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.