OpenTechnical

OT-2026-000062738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000062738) never changes.

Identity and time

Publication numberOT-2026-000062738 · never reused
Internal UUID01a0ae8c-6389-7ce4-8c88-2798ddd8c61c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062738
StatusPUBLIC

Content hashes

Canonical text82f1c9e9f995f0efbc525e0d258c41ad3f9f4423d35fe4fc18167b2f7ea0e3d1
Markdowndce878ee440a341d5d92df41d84dc3fdfaa6d850a24b495127fbbd8a25f0550b
PDF
Publication pageae45b6fbdc0a8f85d5ccf0ebf6467bfcbcc764350b6b9ee7b0d84a02e714a69e
Manifeste9a95942d573d458db1ed7ce9503dc1a3cf7cdc8704f50ed44c742473d893e93

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
SignaturebD/053x0V5T10utxoxut7fY1zt2cS7ok4jdRxQ4GxFQ5n9NauP+R4V2G65l8XrZx+UgJKOgRiIQoD9lmP7A7Aw==
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

2026-09-17T10:39:18.802743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062738
observed ae45b6fbdc0a8f85d5ccf0ebf6467bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.785197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062738/manifest.json
observed e9a95942d573d458db1ed7ce9503dc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.766563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062738/publication.md
observed dce878ee440a341d5d92df41d84dc3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.749079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062738/publication.txt
observed 82f1c9e9f995f0efbc525e0d258c41ad...
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.