OpenTechnical

OT-2026-000090908

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000090908) never changes.

Identity and time

Publication numberOT-2026-000090908 · never reused
Internal UUID01a0ae9c-c011-7020-87ff-454dd4fcf4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090908
StatusPUBLIC

Content hashes

Canonical textc65ede864b50c70c9eecc8a077f718dfb0bd635bc7dc9d73da2b9721f505adf4
Markdown6bd1901f10cca8814b9423cfd8e3955996419572c310a04ececc0a460611dde3
PDF
Publication page08a042b72ed93a1d265e206bcb8bbd83024a3039a07dc0dcc9d556f9fb5c5d7b
Manifest2aff18c268846d84f6743e32e88126193eb4ba0e2a9f3c6468f2c83c545e1de2

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
SignatureqP5xycCpNiwrZ2SNJ/T7Mi8P+urTS8qKfWfwfwPh6ywDMOULiYjfnY9GsiAgP3orZ/HxFeLdLAPdlF5oe3LWBw==
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

2026-09-17T09:44:07.088680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090908
observed 08a042b72ed93a1d265e206bcb8bbd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.071407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090908/manifest.json
observed 2aff18c268846d84f6743e32e8812619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.053912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090908/publication.md
observed 6bd1901f10cca8814b9423cfd8e39559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.035269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090908/publication.txt
observed c65ede864b50c70c9eecc8a077f718df...
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.