OpenTechnical

OT-2026-000043517

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000043517) never changes.

Identity and time

Publication numberOT-2026-000043517 · never reused
Internal UUID01a0ae7b-92cf-7694-aabf-d9c222414505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043517
StatusPUBLIC

Content hashes

Canonical text154748b78052503de1c7271ebabda8121003f870efe36fb4926054d8ffb41465
Markdowne0ed02e8d1391c6b4428636b906120f5be0201ce3eb8fc35d5c1b1479df2c4fe
PDF
Publication page83fc7c9d9056e1ad5815cc8590bfc67733e19046db9aa423f85ad9a3c3e6d299
Manifest6e868d7aaa7e19779448d5f9585ef6c7eb29fb1ffee783d9cc907fbcec6a7f10

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
Signature30tIIm1AjrRyB0u5I16PdwiQSO5Yd7QGDjGhN+Mond8v/4trKwCVja3gbmyNWC/lw+ulfKWluny9Si46isggAA==
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

2026-09-17T11:12:53.416094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043517
observed 83fc7c9d9056e1ad5815cc8590bfc677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.397271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043517/manifest.json
observed 6e868d7aaa7e19779448d5f9585ef6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.377141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043517/publication.md
observed e0ed02e8d1391c6b4428636b906120f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:53.356565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043517/publication.txt
observed 154748b78052503de1c7271ebabda812...
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.