OpenTechnical

OT-2026-000090049

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090049) never changes.

Identity and time

Publication numberOT-2026-000090049 · never reused
Internal UUID01a0ae9c-428e-7660-8aff-209e7b553236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090049
StatusPUBLIC

Content hashes

Canonical text5c396d4670fb8a10fdcbd3926c4c25f9a49a2af1fd4392f17a373271b3f21f22
Markdownab7f1113b59933bbac20d3b7cec7e779eb12ce0d4a00c1923f63f76622924fbc
PDF
Publication page160dfd964e9598d758371feeca097c9d4b77fde4a9997a547be91b3bab074289
Manifest88b378120666de8142d0d2905c4a78fc0e1057c20ab26704c297432f02b29a73

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
SignatureH2W3aS+S/s9AWXLW6veGzTtQEnJdg55RIgN8AQEU3GOe4YAok++TsSSPzo8K+PxAlE4u9p+el3EDWMCS08ewBg==
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

2026-09-17T09:45:27.281238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090049
observed 160dfd964e9598d758371feeca097c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.263123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090049/manifest.json
observed 88b378120666de8142d0d2905c4a78fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.246208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090049/publication.md
observed ab7f1113b59933bbac20d3b7cec7e779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.229662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090049/publication.txt
observed 5c396d4670fb8a10fdcbd3926c4c25f9...
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.