OpenTechnical

OT-2026-000006533

Publication integrity record

Vacuum cup gripper, four zone face, pump fed, contact triggered, silicone cups, oval form

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-2026-000006533) never changes.

Identity and time

Publication numberOT-2026-000006533 · never reused
Internal UUID01a0a95e-8681-7753-8e72-bb2e6836a280 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:59.460408Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006533
StatusPUBLIC

Content hashes

Canonical text243c9ae92a551231ae619a62d2918cb57bb116b3464562d43950b08863fb89d0
Markdowne0d4b07cb75a1ee985b3b6a6aaaa1b066519532cb3c974930129137bebd139dc
PDF
Publication pageeb24faee8e9250944a341106b9535b056c554850e19753c7bf67dd61a2548278
Manifest5408a6a409cab7bf873e6c6093ba66ab993f45352fffe1e500ecf4d3d7b42ee5

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
SignaturemdTs8CIJAVQqIvdm0l/TSIu4zi+Z2zJwhTtJbcmfOMZ2Pu+NTmorZoYxyVqohmvlpj/0B87bPlNuuH9/qnX2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:06.245607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006533
observed eb24faee8e9250944a341106b9535b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.231975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006533/manifest.json
observed 5408a6a409cab7bf873e6c6093ba66ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.218487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006533/publication.md
observed e0d4b07cb75a1ee985b3b6a6aaaa1b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.201414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006533/publication.txt
observed 243c9ae92a551231ae619a62d2918cb5...
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.