OpenTechnical

OT-2026-000088028

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000088028) never changes.

Identity and time

Publication numberOT-2026-000088028 · never reused
Internal UUID01a0ae9b-1aa6-7fed-9184-c6da157bc92d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088028
StatusPUBLIC

Content hashes

Canonical text8a12ca2bb83d186fb4bf050c142045130a3805ca2cd037dc18fab84d891486b4
Markdowne91bfd3c1f502537f9473a8916f9b7d4c9a4fa7a34a376da8a31b0f5f72aa20d
PDF
Publication page79db7ca0079116deb21ccc44657c052bee702cd667d91c99bd112575938a17ec
Manifest007f09c7b48a42709caa10f66799ad8e37bfe478bd51a87561feae46b8383da4

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
Signatureq7ilerZmnWKfkw16SvJTpUhP/WN4lI8FXCxgakbq2oQnjSkz94WCTRAMjbjYODGjw4Q8m5ZDAjkNPalrPIEPAA==
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

2026-09-17T09:49:24.877290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088028
observed 79db7ca0079116deb21ccc44657c052b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.860959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088028/manifest.json
observed 007f09c7b48a42709caa10f66799ad8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.842874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088028/publication.md
observed e91bfd3c1f502537f9473a8916f9b7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.822438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088028/publication.txt
observed 8a12ca2bb83d186fb4bf050c14204513...
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.