OpenTechnical

OT-2026-000032809

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000032809) never changes.

Identity and time

Publication numberOT-2026-000032809 · never reused
Internal UUID01a0ae75-4841-710f-8333-228d7e99c13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032809
StatusPUBLIC

Content hashes

Canonical text0ff3d52c7cb3040ff237a8bfabe962452059114202047e00efbd25db8fc2e664
Markdown1805d8a4dc90fd9ab388904d7e794d5ba34ce3d877733a1c134263ce2732a1e0
PDF
Publication page944e6a6715dc1355ecfd6ccbb937b1e0e9efdfaf13b3aef0edb9e7d2f3a11851
Manifest7504e25052b22894051eea0cac1cb11d047c7f4db653daa5a5e0acbb20796ba3

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
SignaturedXSPPiB7fdtplaMV1gMRjFfWQDM0XnRasGF/HXsLI45OYRNkeFg7xRAzCNaN1evQDHhjJQmIJ+qWmJli9dryDg==
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

2026-09-17T11:32:15.598622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032809
observed 944e6a6715dc1355ecfd6ccbb937b1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.580690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032809/manifest.json
observed 7504e25052b22894051eea0cac1cb11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.562516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032809/publication.md
observed 1805d8a4dc90fd9ab388904d7e794d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:15.543075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032809/publication.txt
observed 0ff3d52c7cb3040ff237a8bfabe96245...
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.