OpenTechnical

OT-2026-000079253

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079253) never changes.

Identity and time

Publication numberOT-2026-000079253 · never reused
Internal UUID01a0ae96-0b90-7cb6-a589-f00f329f0d6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079253
StatusPUBLIC

Content hashes

Canonical text4f53a58e604c9c007ca01576b571f55fb7fe008cbe1fcbf44a7489a3bb774bf9
Markdowndc365eb35cf26478edaf6b83e8d94e37ae2e183be5c19597f4b5f790aabc6cf7
PDF
Publication page8d82e5dd5666fb39c054354de56106be13f6d9b495a6ef9bb8ffcdb286ac02e4
Manifest4cf4de62c8e9b518402a9b83c6f091251e66074ca2467593798224befe296ea2

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
SignaturelFY3dIEXj3reWo5FawUDBQkNVmqkiuX7E+GB1pYDYyzOfL/I+at45Cbk/Cn1NTYaJCUNVwdVQqW4U8L9hVgrAg==
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

2026-09-17T10:04:50.797958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079253
observed 8d82e5dd5666fb39c054354de56106be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.780545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079253/manifest.json
observed 4cf4de62c8e9b518402a9b83c6f09125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.763728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079253/publication.md
observed dc365eb35cf26478edaf6b83e8d94e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.746531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079253/publication.txt
observed 4f53a58e604c9c007ca01576b571f55f...
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.