OpenTechnical

OT-2026-000090487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000090487) never changes.

Identity and time

Publication numberOT-2026-000090487 · never reused
Internal UUID01a0ae9c-7f2e-778b-8e33-29846ba306d6 · 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-2026-000090487
StatusPUBLIC

Content hashes

Canonical text8b8e5f00d499bac00eea083f1042e79b8919bef97745de3fbe37c1c26b8aacea
Markdown412d78bd1981c9277cd0f3b975f3df09f9f1eaaa13fa50cdee22ab029b6f65b4
PDF
Publication page8d6d2727d2fe1c282c8864b25f1eb5a6ee4f54503889ececd7dd90fedde65c02
Manifest5a5d99cbf39cdec74b8aa037e3cb051a593fc8448d7f7e5502fdcd93c6ade533

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
SignatureAICmoC6ZPVKcrcaA2ptS/swwq5qzXcwRmVKd8cBI5HIJLd74qJLCxMzx5nOHHEbDyrmMyJ3C/qhf81mp76IfAw==
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

2026-09-17T09:44:37.315771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090487
observed 8d6d2727d2fe1c282c8864b25f1eb5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:37.298356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090487/manifest.json
observed 5a5d99cbf39cdec74b8aa037e3cb051a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:37.280026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090487/publication.md
observed 412d78bd1981c9277cd0f3b975f3df09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:37.262560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090487/publication.txt
observed 8b8e5f00d499bac00eea083f1042e79b...
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.