OpenTechnical

OT-2026-000090339

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000090339) never changes.

Identity and time

Publication numberOT-2026-000090339 · never reused
Internal UUID01a0ae9c-7f2c-77ec-b588-4ae34c6ee238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090339
StatusPUBLIC

Content hashes

Canonical texte09e0e69d01d41d1265b76d9619b4b57a7cdf42f2f49aa1e847fb75ca9ca5423
Markdown26da1878b4577bc127a469004d65f52d580bb482e5d015b57ba8589153ccb8c7
PDF
Publication page0589e29ff775e7825ec51640e0435343f2471ca2a5b217633d0bf59f2ed2a93f
Manifest5dfb9ad993372eadd72f1f0b0671887db5eb5c26fc3e96b5d45e344777cd6f7c

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
SignatureR9A7Zl1cRlYvvvB3g9SJtpaWXRMJknTULELqi6ovIkC5iu2UFFkqIj4/5NGD7onBxS9U2Dv4Hfi9Ye9qTs8UCA==
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

2026-09-17T09:44:25.846708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090339
observed 0589e29ff775e7825ec51640e0435343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:25.828288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090339/manifest.json
observed 5dfb9ad993372eadd72f1f0b0671887d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:25.810853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090339/publication.md
observed 26da1878b4577bc127a469004d65f52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:25.786026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090339/publication.txt
observed e09e0e69d01d41d1265b76d9619b4b57...
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.