OpenTechnical

OT-2026-000042464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000042464) never changes.

Identity and time

Publication numberOT-2026-000042464 · never reused
Internal UUID01a0ae7a-c0cc-7903-9011-2c2ba8622916 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042464
StatusPUBLIC

Content hashes

Canonical text7353c0d105ae63bf723d8dcb068fbfa4e8a9cb4011f22713a5bd9d36672d3b67
Markdown2c081d25bede013b6560b6e69b50c54a4842f3e1ed348b47f33f5604cab4b60e
PDF
Publication page745c4fe5a922ed9b0928ea5815c2464bf94efad7292480a1a3df6732b5f4c5c6
Manifest64b7e977d728d47dc2c197a90588aeb22bbcb59d0658c06d59c49fa0d95f21fe

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
SignatureEisLnV8HR3KESjEaf68H8iO8BY7OHM8CFl1BvLTnbhnKJTqddExeBUhs7NRBTd7XzPLe8n7kEFAl7VwRQImVBg==
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

2026-09-17T11:14:01.626374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042464
observed 745c4fe5a922ed9b0928ea5815c2464b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.607368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042464/manifest.json
observed 64b7e977d728d47dc2c197a90588aeb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.588117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042464/publication.md
observed 2c081d25bede013b6560b6e69b50c54a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.569948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042464/publication.txt
observed 7353c0d105ae63bf723d8dcb068fbfa4...
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.