OpenTechnical

OT-2026-000078435

Publication integrity record

Three bellows 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-2026-000078435) never changes.

Identity and time

Publication numberOT-2026-000078435 · never reused
Internal UUID01a0ae95-7c28-727b-9104-f7088f537451 · 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-2026-000078435
StatusPUBLIC

Content hashes

Canonical text8b4dc1b15be6fe999282c4ee6dce70980e26cee4c8f170e1d31e312d028b4fc9
Markdown67f5b5d1c15e907cc946360610994bda477591c013609a4dbbf603d2897230e4
PDF
Publication page0af86b6cd4f045e4032c13f5447af03c0c7688d760292f499bdec32fc4292b45
Manifest373c800b5307a14db668a2968682ea8ccdb5a71414b72f3676b2d7b7e599f0ca

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
SignatureUkHdf10mPS1tglkrGMso3lXQKPx7GxYBSBNCtW4nNBGJTbjhZsvLgQz+t33BOCqKrGv3FKjdsHb1wHXEz/88Dg==
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

2026-09-17T10:06:26.057281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078435
observed 0af86b6cd4f045e4032c13f5447af03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.038717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078435/manifest.json
observed 373c800b5307a14db668a2968682ea8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.020331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078435/publication.md
observed 67f5b5d1c15e907cc946360610994bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.001032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078435/publication.txt
observed 8b4dc1b15be6fe999282c4ee6dce7098...
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.