OpenTechnical

OT-2026-000039145

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039145) never changes.

Identity and time

Publication numberOT-2026-000039145 · never reused
Internal UUID01a0ae78-9673-7a8e-af24-22af58983c97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039145
StatusPUBLIC

Content hashes

Canonical text3d3fb9473dd5638e59b16b6df5de7d4166577e9602ce4665c0f66069d07b96ec
Markdown7bb480f19b702292366ccc0c8ec43667fec8d98b57f3c3be55db389dc6a81326
PDF
Publication pagee1493b9bfd37c1e3445dafffd79abce3d25b02901c153411759b99233b1f252d
Manifestad4c5809bb14c8cc99dd8f6674b5f46d4a8d095df304eb65fe72dc0664a2cbfd

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
SignatureBe+NHumRyFfMt+cS9m+guhd4NWNf5Tq0FcZm6hTa5TkOzVIEQXSehLxYNFL+MHKvI6OtAFp6COX/lvLR+hrZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:20:37.367960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039145
observed e1493b9bfd37c1e3445dafffd79abce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:37.349135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039145/manifest.json
observed ad4c5809bb14c8cc99dd8f6674b5f46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:37.329379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039145/publication.md
observed 7bb480f19b702292366ccc0c8ec43667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:37.287389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039145/publication.txt
observed 3d3fb9473dd5638e59b16b6df5de7d41...
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.