OpenTechnical

OT-2026-000021130

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000021130) never changes.

Identity and time

Publication numberOT-2026-000021130 · never reused
Internal UUID01a0ae6f-865b-733c-9ca9-fa3d2f15aea1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021130
StatusPUBLIC

Content hashes

Canonical text8b594003385f161f5b357dc08c445d8cc625d70a523d61bc5c3dd72a059c0b01
Markdown8b76719b767d083b8882c60a4c8007ad744956a0a94ed2446a1c778c38a01296
PDF
Publication page6025fb08f8c5fb48d4f4dcd410af9dbab2686f174cce0fb76645e780c430d6d5
Manifest879266ed68246bcdfa8fc4c6bda809417e1fbf8ecc3fe74b67096d1ddf4f9a08

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
Signature+kwncEaAfcaBQhfaTRdFVXQ59UIjD+VYaDT83QCoNP4hr2sMHq3nphXx4msPvT8JDsWbUiQGLEIPQYADdmBcCg==
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

2026-09-17T11:54:52.433620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021130
observed 6025fb08f8c5fb48d4f4dcd410af9dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.415854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021130/manifest.json
observed 879266ed68246bcdfa8fc4c6bda80941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.397496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021130/publication.md
observed 8b76719b767d083b8882c60a4c8007ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.341295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021130/publication.txt
observed 8b594003385f161f5b357dc08c445d8c...
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.