OpenTechnical

OT-2026-000038380

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000038380) never changes.

Identity and time

Publication numberOT-2026-000038380 · never reused
Internal UUID01a0ae78-2d52-7de8-ac5e-0cb19cadd802 · 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-2026-000038380
StatusPUBLIC

Content hashes

Canonical textb936986d18c803b2e2a7410a68d59205cf52abba18b8e2ce2b4cbf419a01a0f4
Markdownc8ed47370c924acf7a62219c02f44ce152699fd2a03b35315bf1c9c576e9b4ee
PDF
Publication pagec9e2b6fe5398c03d77b3b8ee7597752e5ef1ba5347d5769da9c174eac088125d
Manifestde7604d937c89427c0867ab2897a627f4e41f05e7730fb6c0f9e1935ea7467ec

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
Signatureigy24tpbaFq848Ng3JOLmgrGR5ue2i0MiNE8IaUfeWdbUWAPOriVRSvxT7RsYuJT+UMqTY8WJaY8BBrMCMTQCA==
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

2026-09-17T11:22:34.929752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038380
observed c9e2b6fe5398c03d77b3b8ee7597752e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:34.913279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038380/manifest.json
observed de7604d937c89427c0867ab2897a627f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:34.895861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038380/publication.md
observed c8ed47370c924acf7a62219c02f44ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:34.878923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038380/publication.txt
observed b936986d18c803b2e2a7410a68d59205...
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.