OpenTechnical

OT-2026-000064667

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000064667) never changes.

Identity and time

Publication numberOT-2026-000064667 · never reused
Internal UUID01a0ae8d-deb8-75b0-b6b2-ddd72437648c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064667
StatusPUBLIC

Content hashes

Canonical text1ceb689a0c6f2f1616d3cb509a319d3c9f505f4c3dac26e77a3c6950ee7014ca
Markdown4e719454bf5290972a0709721bbadb1f89cc7d18546d955a109918f56bd2c21a
PDF
Publication page40d48f8c6889e5486d17953b405204d6f8a537e64fc6d9105563a365b9a86be1
Manifest4f93963c9382ca14f5ef74b271c118c6350d2e916ae28ebae235ffac8b6aea88

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
SignatureTCY6pkiDGYqS81KQ9g74w2IOWiPcS6/3BnEWV+bkFf5WFafb3mDanol2Tkea3N4jKJB+9htDhI3UaYD/E2RIBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:27.625144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064667
observed 40d48f8c6889e5486d17953b405204d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.608584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064667/manifest.json
observed 4f93963c9382ca14f5ef74b271c118c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.589818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064667/publication.md
observed 4e719454bf5290972a0709721bbadb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.572372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064667/publication.txt
observed 1ceb689a0c6f2f1616d3cb509a319d3c...
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.