OpenTechnical

OT-2026-000089537

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089537) never changes.

Identity and time

Publication numberOT-2026-000089537 · never reused
Internal UUID01a0ae9c-1a21-71c9-9ea8-dbc6379cdebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089537
StatusPUBLIC

Content hashes

Canonical textf396399f5d66ba8491780d37da104405b85e75def66ad2fce2095d915296e29e
Markdown5dca568e7b2097f55214a2b1133666910346b1b1832538374bae9f58843efbc9
PDF
Publication page3e56f1d0559b5924604ef9beaad9502e44b9cfd4a99c826e1fe503e983702151
Manifestc7a4507f78f71796e87033eff8d3e721ed6f1640cd601767d3b73bfe04861c32

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
Signature1MCcU2UsE8CU0LmakuSV/fEMOmDNynLelvegP2m9lk6JXl2njsdnZ4mWc0XYhd4E58V9C1NemJSvVAfjkzcrCQ==
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

2026-09-17T09:46:30.116917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089537
observed 3e56f1d0559b5924604ef9beaad9502e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.094163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089537/manifest.json
observed c7a4507f78f71796e87033eff8d3e721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.071153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089537/publication.md
observed 5dca568e7b2097f55214a2b113366691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:29.972235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089537/publication.txt
observed f396399f5d66ba8491780d37da104405...
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.