OpenTechnical

OT-2026-000090710

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000090710) never changes.

Identity and time

Publication numberOT-2026-000090710 · never reused
Internal UUID01a0ae9c-7f31-7c24-8d47-dbe7b91f2087 · 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-2026-000090710
StatusPUBLIC

Content hashes

Canonical text834afcbaabff45f2a9588973745d18ea7e120ad51194d0dd1132a786d56112a7
Markdown2012fc84a71522c9eb7fd60066ab75f138e7cc2d10bd147e3a389dfa535c3dbc
PDF
Publication pagef3041e09463b5f4a7389267ea2723b824fcec2e209c2fd7a69aeb80087e5b82e
Manifestfe4d2e66d930b664f2279f5773fb2db48dc065958d2344ff3212f4941d783a50

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
SignaturenfFe6+zRsB2TT0I/ulCCSIMQ4QUg68rcsvV/yf0cTSmNKwngDQyt+KJ6vzb0bEW5c1dNSkgEJwZ/7a4FC+lMCg==
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

2026-09-17T09:44:54.914509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090710
observed f3041e09463b5f4a7389267ea2723b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.896818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090710/manifest.json
observed fe4d2e66d930b664f2279f5773fb2db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.878666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090710/publication.md
observed 2012fc84a71522c9eb7fd60066ab75f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.859669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090710/publication.txt
observed 834afcbaabff45f2a9588973745d18ea...
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.