OpenTechnical

OT-2026-000038417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000038417) never changes.

Identity and time

Publication numberOT-2026-000038417 · never reused
Internal UUID01a0ae78-2d52-71b1-b00d-f4b2d7925183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038417
StatusPUBLIC

Content hashes

Canonical text26ca57fe1f4de59e43c334fb188314fd13811d8c7c9d55bf3bbe87f4bc4603f4
Markdown8afc8cce4380f679fff1862a316811034de16f66ab294759cb73f0b2a2aa37af
PDF
Publication pagef2d834e21f8c8151dff274f738a7988c4e93dcdf91872243760c7445c4ea5b6f
Manifest35c6f3f68e48dd885ed4f3e6120259d67639f37927eba9d181e11ec3bd046e0a

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
SignatureYB7f4AKRrpke7uwHzAbmiJVQyA7PeZ4JMPSTg8suE+DK7rLwHCi8zxQ2qK6phfbMK8IBUSKIO+fNAfyNbpCOAA==
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

2026-09-17T11:22:37.698445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038417
observed f2d834e21f8c8151dff274f738a7988c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.682290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038417/manifest.json
observed 35c6f3f68e48dd885ed4f3e6120259d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.665198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038417/publication.md
observed 8afc8cce4380f679fff1862a31681103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.647684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038417/publication.txt
observed 26ca57fe1f4de59e43c334fb188314fd...
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.