OpenTechnical

OT-2026-000090336

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-2026-000090336) never changes.

Identity and time

Publication numberOT-2026-000090336 · never reused
Internal UUID01a0ae9c-7f2c-7175-b46c-9295c305838a · 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-2026-000090336
StatusPUBLIC

Content hashes

Canonical text2c7806db2727b27b4bfa50b3ece9d01c7bfbac7ddc6096d3254ecb0a58d8f865
Markdownac0f4becbf2441e928080a5aac691a804bd56be117f9468972fae98336375709
PDF
Publication pagea3e69963f58cd2246b648d42fbfffd22e55b7ec859132474c7c584cb5d8a170b
Manifest52b82404e801b503b3270f868e7b8ec12860aa1384a74718d1ed3030e37b6fff

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
SignatureuYT0s+1C7/QJQqm+IOkyt+9eJ2C1PrARS/KR1BNViI0Rz2/4YivwvIOC40l59Oy8QRqHRpQgtkVDkeK7+9GQDQ==
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

2026-09-17T09:44:25.511792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090336
observed a3e69963f58cd2246b648d42fbfffd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:25.494514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090336/manifest.json
observed 52b82404e801b503b3270f868e7b8ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:25.475925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090336/publication.md
observed ac0f4becbf2441e928080a5aac691a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:25.458615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090336/publication.txt
observed 2c7806db2727b27b4bfa50b3ece9d01c...
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.