OpenTechnical

OT-2026-000032026

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000032026) never changes.

Identity and time

Publication numberOT-2026-000032026 · never reused
Internal UUID01a0ae74-bad3-7700-b7ff-52b4f12fb429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032026
StatusPUBLIC

Content hashes

Canonical text215dc69d592cca525a4d17e29c771fe35ba6576d988647735733fb9c3c5b0635
Markdownc217f12b998e025744b3e1d866f9d4f3120c98345fdf5bbb7d649240b883c701
PDF
Publication page44af173f0136da370b9c8ee2845349eaff1d5ea9ae63b210216b5002a9348075
Manifest18df91edc3cf8b535b7a376ef8caf6af4016df8a4cfa16f47641adaffde64f21

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
SignatureCISt0g2beImOdYqQXP7451phkTsWfGp8hwqlFOpgpk+jzW5eNINsrd/U8BbHCAt2Ey/dVDaF9VLKElXvOIqnAw==
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

2026-09-17T11:35:26.093615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032026
observed 44af173f0136da370b9c8ee2845349ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.073156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032026/manifest.json
observed 18df91edc3cf8b535b7a376ef8caf6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.050757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032026/publication.md
observed c217f12b998e025744b3e1d866f9d4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.033482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032026/publication.txt
observed 215dc69d592cca525a4d17e29c771fe3...
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.