OpenTechnical

OT-2026-000103253

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103253) never changes.

Identity and time

Publication numberOT-2026-000103253 · never reused
Internal UUID01a0aea4-be3f-71a4-a3da-277f3565adc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103253
StatusPUBLIC

Content hashes

Canonical textec53552ea0e638210f48c30cacc9a91e4cf865a61724260238719104ff9d8497
Markdown9c412d2cad8ffd17bb3a672cb060f879f291038c26f1de626fac1d440a299ff1
PDF
Publication pageb458181f299a2e96e1815b752da64fcc343e6d21faadec50080570bcdf252030
Manifestecbf90b1b2be06421929f6dcf921a68a6b7fe2340ef074047580e00375fc7b0e

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
SignatureGWw7vTDTK6MqBR2BNv6+Gfl+q1kZarrsyL6gQMovY+OZStfLkfsWab9nMk1cLVktZpreh6Hxqe+EwIVl5ljJBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:29.294015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103253
observed b458181f299a2e96e1815b752da64fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.276979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103253/manifest.json
observed ecbf90b1b2be06421929f6dcf921a68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.259751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103253/publication.md
observed 9c412d2cad8ffd17bb3a672cb060f879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.243809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103253/publication.txt
observed ec53552ea0e638210f48c30cacc9a91e...
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.