OpenTechnical

OT-2026-000014843

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000014843) never changes.

Identity and time

Publication numberOT-2026-000014843 · never reused
Internal UUID01a0ae6d-d094-7f95-993c-830979bed116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014843
StatusPUBLIC

Content hashes

Canonical text3014298ed9665050d1ab64a1e79bd999c270ad37b7733d85bf0b06e26864392d
Markdown93a004749f594dbc4ec1634f4233a405b88521d38df4168b5bcb830055851b8c
PDF
Publication page3ab7b68e1209c7c9ee90bbfad92a8f6987b01146a02b8a191deb4482b67637c0
Manifestcc3ff42d205a4d857101d477cb4a09de53653d1cac14d97add2d1d2b2445d501

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
SignatureFVU+8m+fjfDqSqA8kruwdi3//GZ2RCYf/i8XqVptAVsm1SUquQ3aL2hZ7iSwJWGLQsWci2RUt2/IK828wKGZAA==
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

2026-09-17T12:06:45.240127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014843
observed 3ab7b68e1209c7c9ee90bbfad92a8f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.219612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014843/manifest.json
observed cc3ff42d205a4d857101d477cb4a09de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.198609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014843/publication.md
observed 93a004749f594dbc4ec1634f4233a405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.177230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014843/publication.txt
observed 3014298ed9665050d1ab64a1e79bd999...
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.