OpenTechnical

OT-2026-000091954

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000091954) never changes.

Identity and time

Publication numberOT-2026-000091954 · never reused
Internal UUID01a0ae9d-43bb-7e88-9c8f-b00f134184a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091954
StatusPUBLIC

Content hashes

Canonical text0582ccf995f6c13f240a4e807f2d8404a1d60b774575222559e035188714e940
Markdownea147ceb003e5bfb3fa13cc8c872665a911dbc420b678ec8d7090c44d82303ee
PDF
Publication page44c875db0e8e9512ec50e6ea2663b6bec487bc6be00674a20787f493dacadf5d
Manifest13fdeaf9389dc6542f36196f14abe3a93499170474f7029f407a95fdbcd13363

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
SignatureA9FRXivxhmQViP+ql8kuOlC+5DhKm7GWgwGeEVVziBeV6wgcQhlLvxVGqP+u10XmVL3Mrv1V2AIpkr5MFsOGBw==
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

2026-09-17T09:42:53.632713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091954
observed 44c875db0e8e9512ec50e6ea2663b6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.615377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091954/manifest.json
observed 13fdeaf9389dc6542f36196f14abe3a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.599165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091954/publication.md
observed ea147ceb003e5bfb3fa13cc8c872665a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.582838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091954/publication.txt
observed 0582ccf995f6c13f240a4e807f2d8404...
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.