OpenTechnical

OT-2026-000005276

Publication integrity record

Bellows cup vacuum gripper, three zone face, two stage ejector, contact triggered

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-2026-000005276) never changes.

Identity and time

Publication numberOT-2026-000005276 · never reused
Internal UUID01a0a933-9c3d-769b-8568-4ce2dc7f122f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:06.976369Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005276
StatusPUBLIC

Content hashes

Canonical textad419865af4c4ee50780681115778a838e651215cafebe5f4d79cd8e50508d63
Markdownf0d55f6e8679a64f862c07bc416f7a573fa36807cfbff3ffe3c5eaba20e55d69
PDF
Publication page18d9216f2479f38fdde4e7951ccad5a4bf153312361c2e82fa2e02b5221547b4
Manifest60dacd905678aecb92abda9bfc593e579c63a93b15d1fa81450d0785086bc9ff

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
SignaturePp13qI5RNw9J4opPwyreDG64TnG1a4VzZw4emCG53cv3BgZBUytr76nxnBFTxmnHC5lxXd1JkRVuCa0JAKNADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:27.746754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005276
observed 18d9216f2479f38fdde4e7951ccad5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.732561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005276/manifest.json
observed 60dacd905678aecb92abda9bfc593e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.716732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005276/publication.md
observed f0d55f6e8679a64f862c07bc416f7a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.704003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005276/publication.txt
observed ad419865af4c4ee50780681115778a83...
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.