OpenTechnical

OT-2026-000006515

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, ejector fed, contact triggered, silicone 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-2026-000006515) never changes.

Identity and time

Publication numberOT-2026-000006515 · never reused
Internal UUID01a0a95d-ea29-7951-94cf-ea761087609a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:19.436606Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006515
StatusPUBLIC

Content hashes

Canonical text5e5c2202d2e5365468aeaf8c1b7c31d47dd1282dd89f0c0c3f528c391becae28
Markdown62f4d8fa3e5da7abc866f07d399c77a5e0d9e8b5de63e440fda0b2efbfa15a3c
PDF
Publication page81cb120f7287ee9461290a28fbaa15c08668ce853981a3a138613de6fcd500d4
Manifeste7458afc6f32e310764243a31b865445eb74ea88c183f235e71ddc2debc66e82

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
SignaturesKLE/JhgUJECiSfgxUW4aunQqwqA595rjsNc7+aIM2AKgbpwsSV5DOj5rcAyrkKsLe+y1U8yYa3XMLm+xDGmCQ==
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

2026-09-16T08:40:08.459715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006515
observed 81cb120f7287ee9461290a28fbaa15c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.439923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006515/manifest.json
observed e7458afc6f32e310764243a31b865445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.426588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006515/publication.md
observed 62f4d8fa3e5da7abc866f07d399c77a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.401480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006515/publication.txt
observed 5e5c2202d2e5365468aeaf8c1b7c31d4...
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.