OpenTechnical

OT-2026-000006320

Publication integrity record

Bellows cup vacuum gripper, three zone face, ejector fed, pressure verified

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-2026-000006320) never changes.

Identity and time

Publication numberOT-2026-000006320 · never reused
Internal UUID01a0a956-df89-7942-8788-4b273961fe15 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:37.964271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006320
StatusPUBLIC

Content hashes

Canonical texta019a47d6b84bd27e33fa71bd5175d29ee73876facf57bc3a2ef33ca09b1e9d0
Markdown72545b5693be6057ffc9130a5dcf64590575c8579394c7079eaa2f3bb3f4dd1d
PDF
Publication page7c0110d95dc5eda2943c2d02df281ffb50d12ef72085ed688a5b8b96d07523c6
Manifeste45078b155be7334d51248aa3730be4641b5bc5d3ffdefed4309fe974d94bb2f

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
Signature7u54DzO6ceT7+LKNFl8gp+qH87ZPPxYEGdFnwnXNjfi64GNWqx5tpD0aLXirbwJoBDv8k/KvqZ2Ccku2OjnFAA==
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

2026-09-16T08:40:31.909958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006320
observed 7c0110d95dc5eda2943c2d02df281ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:31.895241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006320/manifest.json
observed e45078b155be7334d51248aa3730be46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:31.880720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006320/publication.md
observed 72545b5693be6057ffc9130a5dcf6459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:31.741853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006320/publication.txt
observed a019a47d6b84bd27e33fa71bd5175d29...
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.