OpenTechnical

OT-2026-000054680

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054680) never changes.

Identity and time

Publication numberOT-2026-000054680 · never reused
Internal UUID01a0ae86-1284-705d-8ccf-46731eaeb1c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054680
StatusPUBLIC

Content hashes

Canonical texte20cfbd0ba401dec25ea85830511aba290d10a0bac324cb825aa38eb72948844
Markdown9dfd1bff673e7a4cd33202880b985cc6fbc14ff0da0a4f0bb5466dfafc1b40de
PDF
Publication pagea29dac82f58b131d64a885ae8a0317c65305d74ef27be9dccd97dab6c7027322
Manifest35fba093be8cef2927edfc56ede95a5bdcff2bd068760b338bc95d9d8509be9a

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
SignatureG0OuDSr85ZT7Boq2MpNUJ92ClEq2pNVBC/fS7j0m1sw1E3sA/7IvxogY5epN3xjoXMoCATVp1Pf2vNgvx8F0Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:45.509477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054680
observed a29dac82f58b131d64a885ae8a0317c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.489132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054680/manifest.json
observed 35fba093be8cef2927edfc56ede95a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.470330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054680/publication.md
observed 9dfd1bff673e7a4cd33202880b985cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:45.449390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054680/publication.txt
observed e20cfbd0ba401dec25ea85830511aba2...
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.