OpenTechnical

OT-2026-000078459

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000078459) never changes.

Identity and time

Publication numberOT-2026-000078459 · never reused
Internal UUID01a0ae95-7c28-76de-8d8c-33b8296d81d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078459
StatusPUBLIC

Content hashes

Canonical text7d929ed622494d0edd1cf347728c167244cc80e9b04cc3fe42c8208ccf16a02c
Markdownca10d5d7dba305a9fbabe885e2dc2f0e77da0ae07f87b61424190547ba37a84c
PDF
Publication page9bcaeb791ee0379832a11f8390b3bd163029d631f81b494f7ec9e27318464f07
Manifest866a874a34964a695232071acd1b3a31d69229bac66ac8237ca9fd4b5c7802db

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
SignaturefqWMta7OuD+7tIPM88bf9mi8xHI9Z0FGvsC2NYRkNzpUBuQM2QJL8ffQlAlWTywhFep+l8fmgobtC+77xSbdAg==
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

2026-09-17T10:06:27.626861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078459
observed 9bcaeb791ee0379832a11f8390b3bd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.608146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078459/manifest.json
observed 866a874a34964a695232071acd1b3a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.588922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078459/publication.md
observed ca10d5d7dba305a9fbabe885e2dc2f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.569446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078459/publication.txt
observed 7d929ed622494d0edd1cf347728c1672...
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.