OpenTechnical

OT-2026-000095128

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000095128) never changes.

Identity and time

Publication numberOT-2026-000095128 · never reused
Internal UUID01a0ae9f-8f6e-7c7e-a459-970a9506d008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095128
StatusPUBLIC

Content hashes

Canonical textf0302e11010b5fffbf08ed84af39f55de257ec49e5c56384be1f2739114c9079
Markdown9fa5df62bcaaeff6c93cb5c55c6ddfb510482bdc17955d4a5e4e458ffa8e365b
PDF
Publication pagebd120ebdda8dfbcdc9b4db08b8d130c18d529dd5522e54295319ff02cd716fed
Manifestfd647cec36c6e6a9e892216c4103b4c7719dd765efc6d1d698b07cd0eb000901

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
SignatureWvICYL3WUROWY1142tgEqFoYs9SkQPcrhdZ0Vi1jmHvw5XOgzkKjRtvvqHEOezkorrPrpRZdq3lWiSvgsLnDCw==
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

2026-09-17T09:36:25.350072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095128
observed bd120ebdda8dfbcdc9b4db08b8d130c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.331852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095128/manifest.json
observed fd647cec36c6e6a9e892216c4103b4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.313902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095128/publication.md
observed 9fa5df62bcaaeff6c93cb5c55c6ddfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.295573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095128/publication.txt
observed f0302e11010b5fffbf08ed84af39f55d...
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.