OpenTechnical

OT-2026-000079287

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079287) never changes.

Identity and time

Publication numberOT-2026-000079287 · never reused
Internal UUID01a0ae96-0b90-7f1f-a9a9-337fc60cdaee · 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-2026-000079287
StatusPUBLIC

Content hashes

Canonical textdfca925684337f60f64ea16ee6213693dcdda38604d2af795c7d88fd8db405bf
Markdownc76807e27439d5475a794aca03b328a65ba140355da07ca30750da1928a853ce
PDF
Publication page8f2e2f176c465e5a5422371f835da0a6ac3bb9fbe59259558879f8a9fde03be3
Manifest53db8affec99866eb5c3a9144fb32bda9ec56464a19eb4908fe776355764cb14

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
SignaturelK5zBukRNouTWaUfL4jJOG4rrJhcGrJyIc4+41Upe7ff122Jit7ctOQ/ftRI2UVQW7L3/QpX6CIJiWeiuYzbAQ==
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

2026-09-17T10:04:53.813210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079287
observed 8f2e2f176c465e5a5422371f835da0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.794157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079287/manifest.json
observed 53db8affec99866eb5c3a9144fb32bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.775062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079287/publication.md
observed c76807e27439d5475a794aca03b328a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.754251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079287/publication.txt
observed dfca925684337f60f64ea16ee6213693...
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.