OpenTechnical

OT-2026-000091910

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091910) never changes.

Identity and time

Publication numberOT-2026-000091910 · never reused
Internal UUID01a0ae9d-43ba-73e4-917a-5cb092c1292c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091910
StatusPUBLIC

Content hashes

Canonical text4a1922aa133e45c54510e2d2a31e03fd729e0a138caf2dcebceee44d3cf54cd9
Markdownfbe1e985a3c64b321a1973f331f235d6c4007a2492f3c1b9b27fa8827f00a181
PDF
Publication page777c5ce6a42cad41008adc543565c510690e7c437bd91a847d9cf80903a1d69d
Manifest6bd132d0174286f39f5b232496b52ce8357c7d3b02fe45406c54dac42f6ef221

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
SignatureetQbB3diXyLwJMwsXo62kCBjhBK5Za4VXvOwgsVbNS2ZZW09JY2UwTY0H1aLaA40SpsaANf1LKAZaNBpG47WCw==
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

2026-09-17T09:42:50.914404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091910
observed 777c5ce6a42cad41008adc543565c510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.897278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091910/manifest.json
observed 6bd132d0174286f39f5b232496b52ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.880578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091910/publication.md
observed fbe1e985a3c64b321a1973f331f235d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.863884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091910/publication.txt
observed 4a1922aa133e45c54510e2d2a31e03fd...
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.