OpenTechnical

OT-2026-000013958

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000013958) never changes.

Identity and time

Publication numberOT-2026-000013958 · never reused
Internal UUID01a0ae6d-8dea-79a8-accf-14b77d39072e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013958
StatusPUBLIC

Content hashes

Canonical text871627cc6e0175133e3bf6ba1e455d702ccdecb2ed47c5eae8e6050e4893ae64
Markdown6a490179b838a1ba7cdabf413d8ec7a9c96d97226c7c6791357527570e841ebf
PDF
Publication page814878149e4da09ed73cbda1df9a9adfa45b7f311b3482fc5805de799bb0fea8
Manifest8398d17320bc82b7acf6e971adb19a515986f3ae80058c2a1d46f1491500b2a8

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
SignaturebWr3f8OwU05RftzmKU+uov6vNCl8thQqghUbm53JYYMvk/eEiMlwLRivZd9iSarT+GhFuC/oK1+U7wCO49mQDA==
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

2026-09-17T12:09:09.798390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013958
observed 814878149e4da09ed73cbda1df9a9adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.777316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013958/manifest.json
observed 8398d17320bc82b7acf6e971adb19a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.756975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013958/publication.md
observed 6a490179b838a1ba7cdabf413d8ec7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.738380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013958/publication.txt
observed 871627cc6e0175133e3bf6ba1e455d70...
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.