OpenTechnical

OT-2026-000087411

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087411) never changes.

Identity and time

Publication numberOT-2026-000087411 · never reused
Internal UUID01a0ae9a-cd50-7834-a43e-f0f792c5d78b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087411
StatusPUBLIC

Content hashes

Canonical texta684bc50e1c42b45fef50819b796fce5b8ea5fe0c2c016b5e940893ad23cd21e
Markdownbe0f51db201afde1dbf9d75ee02fc40deb8f7718ff00db744a539790569fc065
PDF
Publication page1148cef20af315d688fc1237d06fe8adc3cc563bcf7095ceee7ac46fb652b132
Manifestadcc9b6e046b2e4ee0f5e7a45040ea56f8167b0c7271218533ec14b2d975d8f4

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
SignaturenTQ1wC1sBvuYKcMtAMtnVHtl9nEts791m+qEIo5qNigS9Wjil0ZD1UoKhmmiV/6v6Tp8ZZvBzvjag9ZK4NOWCQ==
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

2026-09-17T09:50:43.646098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087411
observed 1148cef20af315d688fc1237d06fe8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.628222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087411/manifest.json
observed adcc9b6e046b2e4ee0f5e7a45040ea56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.611481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087411/publication.md
observed be0f51db201afde1dbf9d75ee02fc40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.594450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087411/publication.txt
observed a684bc50e1c42b45fef50819b796fce5...
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.