OpenTechnical

OT-2026-000091419

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000091419) never changes.

Identity and time

Publication numberOT-2026-000091419 · never reused
Internal UUID01a0ae9c-f16d-7c7d-bf26-f2a7dc45282c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091419
StatusPUBLIC

Content hashes

Canonical text73243ce7342c4436de694dd3ed02a751fd9ebc93ee49c19b60d3842beb607fba
Markdown032d3106e96e123c069983e511b6a8fe16328aef8eb0ceb49f590d8e4130a428
PDF
Publication page273c0815364b0825d2b0df0e328f4fd0c433d4b2881b48cbd16b16b1c4b372d8
Manifest353485abf0682ac0a26197a460a04bbf347e4137b6cd2b757dc67ae93431b4d0

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
SignaturegcCsbZzi2WlbBSkDDsSnAd460oEMYTGTlpzA2P1aZOUWXnGrb4ofLH2h/JZwakJkY+zkPYJp8yVSV588Htw9Cw==
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

2026-09-17T09:43:39.324363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091419
observed 273c0815364b0825d2b0df0e328f4fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.305638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091419/manifest.json
observed 353485abf0682ac0a26197a460a04bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.287906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091419/publication.md
observed 032d3106e96e123c069983e511b6a8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.269642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091419/publication.txt
observed 73243ce7342c4436de694dd3ed02a751...
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.