OpenTechnical

OT-2026-000064915

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000064915) never changes.

Identity and time

Publication numberOT-2026-000064915 · never reused
Internal UUID01a0ae8d-debd-7c5d-99b7-679d3494c4bc · 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-2026-000064915
StatusPUBLIC

Content hashes

Canonical text9fe163c9519fa5681a3ac1537b96e69e00c55b0e9a548b95535881e4e28190f6
Markdown3c164394b00e66720fb0e29916a435c5c9d6eaaf420decc704b453dd25500f31
PDF
Publication page51fb22ce1889e6931312a9d5b7bf0820fa32f3456db8c705e9665e54d063ddb4
Manifest4dde9e570d3b50cbbc671bcd8f0c1c5fa6edf2c58ff4de8215266af1bb1d3834

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
SignatureCyZxuyYT/MX2gn+Ab/I06F0PNrWs+WWPLO+33twsPi+IXOp/kyPp9ydMZza7AQo4dUFexfvVPvyezrARzkhKDw==
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

2026-09-17T10:35:50.914736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064915
observed 51fb22ce1889e6931312a9d5b7bf0820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.897762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064915/manifest.json
observed 4dde9e570d3b50cbbc671bcd8f0c1c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.880876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064915/publication.md
observed 3c164394b00e66720fb0e29916a435c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.863770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064915/publication.txt
observed 9fe163c9519fa5681a3ac1537b96e69e...
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.