OpenTechnical

OT-2026-000006080

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, vented before set down, plastic cups

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-2026-000006080) never changes.

Identity and time

Publication numberOT-2026-000006080 · never reused
Internal UUID01a0a94e-aca7-77e4-a581-e767284b88fd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:40.650605Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006080
StatusPUBLIC

Content hashes

Canonical textdc0767a138262b9828ad228b7f7a99e482d1ad7d24bdf6fe1a76a458e66ae38d
Markdown9effd345277d62a341a8d8c01dd05e9b5c09a9e68cac9ecd4677285851161448
PDF
Publication page641ea47560b9e30f811156063e1cd166a872325c6308f70c2ce05757485891c9
Manifestbbc7060aa29ba19345324eb8317df6624e9fe7e751e6d61a39766582be83f817

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
SignatureJowbxU6NVBptDnBsu7rwWHZ4uAGuKkVsBH2gCX3+Qkhj8PziCh2nmcdjQnvj0DCS5rAgHZ94Qo2Wo0kUSS8qDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:29.721936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006080
observed 641ea47560b9e30f811156063e1cd166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.709855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006080/manifest.json
observed bbc7060aa29ba19345324eb8317df662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.696615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006080/publication.md
observed 9effd345277d62a341a8d8c01dd05e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.683659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006080/publication.txt
observed dc0767a138262b9828ad228b7f7a99e4...
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.