OpenTechnical

OT-2026-000023541

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000023541) never changes.

Identity and time

Publication numberOT-2026-000023541 · never reused
Internal UUID01a0ae70-7269-752b-8969-13ea522ff4e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023541
StatusPUBLIC

Content hashes

Canonical text480efb7b2fc31ff9f92822bd5ca4d84d6b50f9d9379655d5ccbaad9f83db61b9
Markdownf1bf3305c4c96d5c7eb1504411f497355b2b49d03d914d9c3cbf4f438bde38a3
PDF
Publication pagec6a6b22bbf16a7009094da34abadfd665330e65db258d3657bd0412b6c29417f
Manifestd0ff766a23fb1a5549ba8e7ed75463536535c60ccf10ad05a37de52c634719c5

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
Signature5dEaGpagW7yb2Qacncc5W/vqAtdz3Qs4QRB80IiMNUXuQ3lS/INkPW5rozPgGTC1Y9uw4Fjco+xhIz6fn5omDQ==
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

2026-09-17T11:51:53.039903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023541
observed c6a6b22bbf16a7009094da34abadfd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.021829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023541/manifest.json
observed d0ff766a23fb1a5549ba8e7ed7546353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.003840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023541/publication.md
observed f1bf3305c4c96d5c7eb1504411f49735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:52.981719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023541/publication.txt
observed 480efb7b2fc31ff9f92822bd5ca4d84d...
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.