OpenTechnical

OT-2026-000005203

Publication integrity record

Vacuum cup gripper, four zone face, two outlet manifold, 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-2026-000005203) never changes.

Identity and time

Publication numberOT-2026-000005203 · never reused
Internal UUID01a0a931-2be5-713a-8745-cbd4fc865075 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:27.144059Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005203
StatusPUBLIC

Content hashes

Canonical text313b9b4c83695b86dde7c8d6a9674bfcb70fa4711827461d203f94340705220a
Markdown22a9f6095348106b7463ca4a4de91d6646c84d4831a5201b9158684a00e6992a
PDF
Publication page24e47c3e1f696565cbce9e68b8fb5200db1ed5d4b70470f15cc0d81bd1b1f417
Manifest0851d3e9818061c9135adb6e7bc27bf9e3e7facc52de8a0cbba9805c113bee5a

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
SignatureOIOsukM4632mEscDU+DZwdOLIw6OXSfYIgEq8Lc3Ur7UVo2kTGF53sWBSwCdGEyzM9Nk/ala2rsdzZNeqWVIDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:04.155466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005203
observed 24e47c3e1f696565cbce9e68b8fb5200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.143511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005203/manifest.json
observed 0851d3e9818061c9135adb6e7bc27bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.129530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005203/publication.md
observed 22a9f6095348106b7463ca4a4de91d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.006955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005203/publication.txt
observed 313b9b4c83695b86dde7c8d6a9674bfc...
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.