OpenTechnical

OT-2026-000038701

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000038701) never changes.

Identity and time

Publication numberOT-2026-000038701 · never reused
Internal UUID01a0ae78-769e-7d4b-a124-6f5e1aef3839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038701
StatusPUBLIC

Content hashes

Canonical text56b1a1686359d12d4db95456b60074ec06c9e643d1cd1354c0c43e2fed9336da
Markdown967e31ef23daec62bfca0089e393b5d3f023ea7aa2169a7f49a1f0a6d52756f9
PDF
Publication pagef53cd71b90d9ca84bc93717e88837a6ce7fb2a166227b3fc8083aa01810105b1
Manifest5c749ee65d8e72cc5fcbf013952dccab3470ddc5b3d89750658e173e1454c846

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
SignatureOVjt1iUnsSlV9wE6TOJjrAF8DeERTADaFcTDYSTE6tYn+zSZ0gsmJdf+BCinbYwycTFWxQtq3f0nYZTj3hsjDg==
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

2026-09-17T11:21:12.450115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038701
observed f53cd71b90d9ca84bc93717e88837a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.432794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038701/manifest.json
observed 5c749ee65d8e72cc5fcbf013952dccab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.414074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038701/publication.md
observed 967e31ef23daec62bfca0089e393b5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.395771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038701/publication.txt
observed 56b1a1686359d12d4db95456b60074ec...
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.