OpenTechnical

OT-2026-000103588

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed blow-off after 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-2026-000103588) never changes.

Identity and time

Publication numberOT-2026-000103588 · never reused
Internal UUID01a0aea4-e461-77bd-a66e-70564a611ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103588
StatusPUBLIC

Content hashes

Canonical text37a4f961e89ee6c14709e507efac05982dd35a083c46f5a006f9f1c4bcb315ea
Markdown836bfaa7381b3e46cc7d72090637d94b51b47848d11183d9867d2ff0ca3b52da
PDF
Publication page5a4d23b4024f9537c3e0eac221c598f7b7709bddb921444d21270f8e6ac14c57
Manifest3f0794f8b02846f83093fc391b33e87aeddff1fa6ba03921a25f1b49d1e26c6b

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
Signaturev0dlOiUAQ/qNbIsY4mR5QqTedtbHQv40sUgpqdS1tcxlOGMolR/gd5YeW5F4SP7hPNv5CeHeLFTd4jq2HpwrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:22.473449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103588
observed 5a4d23b4024f9537c3e0eac221c598f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.456944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103588/manifest.json
observed 3f0794f8b02846f83093fc391b33e87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.440702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103588/publication.md
observed 836bfaa7381b3e46cc7d72090637d94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.424501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103588/publication.txt
observed 37a4f961e89ee6c14709e507efac0598...
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.