OpenTechnical

OT-2026-000067988

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000067988) never changes.

Identity and time

Publication numberOT-2026-000067988 · never reused
Internal UUID01a0ae8f-c4fd-7515-97f6-0318b1782084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067988
StatusPUBLIC

Content hashes

Canonical textc588ab82de346ff2c9a8dd4b5e7c19db113c30d683301a68d9cf524eda6b1dd7
Markdown7c8aa17843d66032bba2f38e0604423eac29cad4ec3bfceb2e5976a6e9172632
PDF
Publication pagee9113a1e4fdd067c634e175a40bb80b9b1885e6cf24e5ced262aa5fcb69996b7
Manifest4074738980c66279892d435fc12a9737eda7d53e040bfffb9c39ad8a816cd843

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
SignatureVCE9JkrYqiRaTFhv+Itvwmyd3RyIxsL29V+MQ2TxTv++p64/DHKJ/gTc78F/Irhps+XqGC5Lqc+rZer8ZDvOCA==
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

2026-09-17T10:30:32.268399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067988
observed e9113a1e4fdd067c634e175a40bb80b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.251504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067988/manifest.json
observed 4074738980c66279892d435fc12a9737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.232364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067988/publication.md
observed 7c8aa17843d66032bba2f38e0604423e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.214894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067988/publication.txt
observed c588ab82de346ff2c9a8dd4b5e7c19db...
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.