OpenTechnical

OT-2026-000013417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, pulsed 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-2026-000013417) never changes.

Identity and time

Publication numberOT-2026-000013417 · never reused
Internal UUID01a0ae6d-6fca-7472-b4cc-4d8feec4fa08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013417
StatusPUBLIC

Content hashes

Canonical text3fbaebbab4794044c822bd78078d00478090714c1e40b1ef460e36efa61f51be
Markdown3564fe2e684015cc5f0c8a825c7c607cac80528eb54607fa84efe8f78a8dc3fb
PDF
Publication page50c424e9178b5d7756872d362b10f8ef3cd086bed6478a9bc285517cfaa9e62a
Manifestda7413e008e9bec4ebe7841d3b42457aa5b45bad0ad7a04d6f30bd235282d87c

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
SignatureInz41lE6lI6RE+POqmg1vMuxopTqu14877SXOb1KtclNla93DdLsEmPpvL+GWaobyNIJHWXj9tMFjU/Lgc5xAA==
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

2026-09-17T12:09:53.906769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013417
observed 50c424e9178b5d7756872d362b10f8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.888270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013417/manifest.json
observed da7413e008e9bec4ebe7841d3b42457a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.868724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013417/publication.md
observed 3564fe2e684015cc5f0c8a825c7c607c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:53.847961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013417/publication.txt
observed 3fbaebbab4794044c822bd78078d0047...
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.