OpenTechnical

OT-2026-000065615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000065615) never changes.

Identity and time

Publication numberOT-2026-000065615 · never reused
Internal UUID01a0ae8e-46fa-7a89-be3d-8434bd5cd125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065615
StatusPUBLIC

Content hashes

Canonical textca18d5ca172a64896f5a561c5e2e32cb50061dc9d52fe1a1ce969221abed07a9
Markdown5b5b0674674698ed38ba9f287e4fe1bb8332bc7fde630fe25d88bb15f64b337f
PDF
Publication pagece7fd354801f0ab8db8ae26262649954c9b5a87ee3ab756c18e37b4b42c96b90
Manifest2f766ef20c75abd6d9f963dfd3facedad03dde846bbaea763f8733d2a48c00d0

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
SignatureM4AASSW3N1NL13dMx16Q0lMx38yqQWL7/ku66RHfurKNL42JD/Cxp+5imMMDHOf/NopKLU5CI7Tblnn3UMZBBQ==
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

2026-09-17T10:34:00.278651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065615
observed ce7fd354801f0ab8db8ae26262649954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.261718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065615/manifest.json
observed 2f766ef20c75abd6d9f963dfd3faceda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.244744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065615/publication.md
observed 5b5b0674674698ed38ba9f287e4fe1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:00.224478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065615/publication.txt
observed ca18d5ca172a64896f5a561c5e2e32cb...
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.