OpenTechnical

OT-2026-000041980

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000041980) never changes.

Identity and time

Publication numberOT-2026-000041980 · never reused
Internal UUID01a0ae79-e8a7-7a17-a80c-8f90feee5180 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041980
StatusPUBLIC

Content hashes

Canonical textdbaead739babce85119d66dd7b7c0c52c2a0a34a46c4a8d5ef61f65d2a397ca2
Markdown64ac79655665f4ecc6c9117cc2e2b5f4c2171a7f101edf13d9069f004617dbbc
PDF
Publication page857da3ba34f46f16dd09ceedbd4242ddecc41327c7e54a10d8f434c7475c6570
Manifestf267bdb8333a7c05e749324b534de80fa715c1b61597d928ed06d211aaf1a70a

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
Signaturetee9dVSkaoBA9TDEHsrqb86PEgvKdKaPXKgUIEHWdWFYrsdsYrN0pWa8rcii4jdCdvSQP513c0aed+6tu9vtBg==
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

2026-09-17T11:16:52.483571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041980
observed 857da3ba34f46f16dd09ceedbd4242dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.467589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041980/manifest.json
observed f267bdb8333a7c05e749324b534de80f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.450679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041980/publication.md
observed 64ac79655665f4ecc6c9117cc2e2b5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.433853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041980/publication.txt
observed dbaead739babce85119d66dd7b7c0c52...
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.