OpenTechnical

OT-2026-000006150

Publication integrity record

Bellows cup vacuum gripper, four zone face, ejector fed, pressure verified, plastic cups, 1 fold

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-2026-000006150) never changes.

Identity and time

Publication numberOT-2026-000006150 · never reused
Internal UUID01a0a951-0966-7438-8c88-0b7b64936e51 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:15.465750Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006150
StatusPUBLIC

Content hashes

Canonical text7c7504bf85e5a47ea8f201910667c1bdc6f83ea5697656755460ff41e1bbe0b2
Markdown88ced8f1536a34ac2ceab8bf84d5474c4cee6baafef7e22a4ee77f7e3d093c46
PDF
Publication page30714e14dffb6627e908c2301d639037d528ead07c3f04cfebb0cd035e44f5e7
Manifest6997db17b47242ed559f0f8c511ebf5589228a4dea038791041e56011d372b90

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
SignaturexZNmsfxOI1NB0RVfdAz0OuBRS1KHBJ5ssLDdW0/38M7A4NDs5AO3cNDaHh+2K4ZsNtEBH4NRLePn1gjTY3xBDQ==
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

2026-09-16T08:30:21.929796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006150
observed 30714e14dffb6627e908c2301d639037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.914278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006150/manifest.json
observed 6997db17b47242ed559f0f8c511ebf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.900846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006150/publication.md
observed 88ced8f1536a34ac2ceab8bf84d5474c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.888059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006150/publication.txt
observed 7c7504bf85e5a47ea8f201910667c1bd...
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.