OpenTechnical

OT-2026-000011302

Publication integrity record

Single bellows cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000011302) never changes.

Identity and time

Publication numberOT-2026-000011302 · never reused
Internal UUID01a0ae6c-5410-78a7-84e7-38dbd296085f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011302
StatusPUBLIC

Content hashes

Canonical text5d5df10676a6215419f9ccb53041b66b5b746a67f6e4443263ec18ea2d741a32
Markdownbc419ce55980b8e690f49cb71bed6203e97219513da1e35e136a31057d8a8690
PDF
Publication pagea530d5d1a1244e644d9d3b3e5ad3e7f55cbeb50ce303efa72f47c675e9ff3342
Manifestc0cfe1ffcf0c9c3a543439f541b4c07f45150d3bae40016737c342f24d756a7a

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
SignatureHQGtCRBGX1cKmoT4j9mzxSV6+jCdw1k2G7MBz9fCQK7MCLIGBJLNRt1j2w2o1FbdmV54DSHvrqCfSrGaSAg2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:16.777148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011302
observed a530d5d1a1244e644d9d3b3e5ad3e7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.756921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011302/manifest.json
observed c0cfe1ffcf0c9c3a543439f541b4c07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.737874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011302/publication.md
observed bc419ce55980b8e690f49cb71bed6203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.718142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011302/publication.txt
observed 5d5df10676a6215419f9ccb53041b66b...
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.