OpenTechnical

OT-2026-000095758

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095758) never changes.

Identity and time

Publication numberOT-2026-000095758 · never reused
Internal UUID01a0ae9f-fac6-7e50-b635-0493d1417aee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095758
StatusPUBLIC

Content hashes

Canonical texta8d4b1873eb9a1addc82595a0b7f2727352f462911538e5b36cb52dc5ebaead0
Markdown40b657f23e9a302fefd2ca2b512e1493b8f59c43878ef65dc7aa62e0ba19c854
PDF
Publication pagefe1c9621acb438acbaf4907896ee23da67768b29b11709ba336222145d1cd0c6
Manifest39764a19d7398f9d3e05d8d0ace4807f9482bf070f524dd10f0ec9b170990121

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
Signature3qCJ/KoxnHVWEtR/gPJ8nVp+0H71qnuXHeHWaoIP1U8RxDFoHRl/doJ1TRbwYk0XZuTdnZ3xUZ4qjlKNGxmiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:19.696805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095758
observed fe1c9621acb438acbaf4907896ee23da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.679716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095758/manifest.json
observed 39764a19d7398f9d3e05d8d0ace4807f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.661496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095758/publication.md
observed 40b657f23e9a302fefd2ca2b512e1493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.643112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095758/publication.txt
observed a8d4b1873eb9a1addc82595a0b7f2727...
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.