OpenTechnical

OT-2026-000045612

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000045612) never changes.

Identity and time

Publication numberOT-2026-000045612 · never reused
Internal UUID01a0ae7d-8f03-78dd-b50a-755e5d5a40ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045612
StatusPUBLIC

Content hashes

Canonical textb1b7b92ffea7a528637425fecce294a78370ddb0acf103a25f84107f4104b868
Markdown446940fefc64c3248db5b4f5f2ac29cad15486fd54b726edeaf84f2269202061
PDF
Publication pagee1cdd2983697af911b9b38fa85057be18cdd96e889be02cba477357e0103e8d7
Manifest45359fb3e6ac5e1cec7b514874e2dd0bcaac0d6207ad42eb5a79e5af82856301

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
Signature7HYZqmYF6ORo0VJn6V/4VRycPMI4qH8DhlI4+1TPEWlR+pxFjXeha1R7ZpP/XeWNiOzSPSIGnT4aa+EHNyZNBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:23.396597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045612
observed e1cdd2983697af911b9b38fa85057be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.377261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045612/manifest.json
observed 45359fb3e6ac5e1cec7b514874e2dd0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.359065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045612/publication.md
observed 446940fefc64c3248db5b4f5f2ac29ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.340228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045612/publication.txt
observed b1b7b92ffea7a528637425fecce294a7...
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.