OpenTechnical

OT-2026-000018411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000018411) never changes.

Identity and time

Publication numberOT-2026-000018411 · never reused
Internal UUID01a0ae6e-b489-7cc9-a016-8da9f68486c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018411
StatusPUBLIC

Content hashes

Canonical text7cf00796a662c59d2555e023702ca9c9560ec7d0a4fb13adc767cac651d7f297
Markdown07fda0dbb862143dc668642cd77bce73b0ddc3e6d74fd7f27ba31132b77af65b
PDF
Publication page5bc50db25b6e87249ed440ef9c9a2e03c37a82b663eb82fd1f653d83689c7fbc
Manifest993dd21cc642f9a962bbdddbb56c75830f8a6c355cbb2877935401bcad5354cb

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
SignatureL8BI8sAdY3JgeiYiAicaw2zPjF0XKl7DsHWLaxJjPstwVIM0N8JJn/0OabuW0DLyd0jtrPF15iEbqQj12cUQAA==
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

2026-09-17T12:01:09.338270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018411
observed 5bc50db25b6e87249ed440ef9c9a2e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.321806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018411/manifest.json
observed 993dd21cc642f9a962bbdddbb56c7583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.305212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018411/publication.md
observed 07fda0dbb862143dc668642cd77bce73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.287043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018411/publication.txt
observed 7cf00796a662c59d2555e023702ca9c9...
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.