OpenTechnical

OT-2026-000029781

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029781) never changes.

Identity and time

Publication numberOT-2026-000029781 · never reused
Internal UUID01a0ae73-5e24-7dc3-abd8-43b9826757c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029781
StatusPUBLIC

Content hashes

Canonical text842525fcaf99ee211006ea330e92ee2640316a55a425939c39eb2b543beb398f
Markdown53454ae6be5d3d9d346c6a187940bdb9a2aacb3aa0be1a4cc5a22ddcea8852d6
PDF
Publication pagec3b090990c7fac832e7d11b67c12e161aa5edc5beb1a66a189b0f3c6fd46e888
Manifestdd9bb401e8cfba45440b6534f4a490eae829bff8c0197dca2d83044a80386473

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
SignatureO6iTB+6l8GUBxy3v5xByM64V+uHR3bKNKaJVGNzAzXcvH2G8rtiKIViCHz+SuDdNQ7gZWZYmTTQ2lyjhXO/pCA==
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

2026-09-17T11:39:32.960084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029781
observed c3b090990c7fac832e7d11b67c12e161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.940651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029781/manifest.json
observed dd9bb401e8cfba45440b6534f4a490ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.921853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029781/publication.md
observed 53454ae6be5d3d9d346c6a187940bdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.902537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029781/publication.txt
observed 842525fcaf99ee211006ea330e92ee26...
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.