OpenTechnical

OT-2026-000060789

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000060789) never changes.

Identity and time

Publication numberOT-2026-000060789 · never reused
Internal UUID01a0ae8a-b7d0-7460-bf8f-e11c9d0f0d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060789
StatusPUBLIC

Content hashes

Canonical text9d083a758cf041f832315b4a74c0c86d720e2feb68c42c8e90d6e9e970ed2f45
Markdown237d92b8e0a7677d06aac693406b362cb1e134f563aa84d9ea2ef8f5482a69f1
PDF
Publication pagec242e7a8ce4a21ae8621d1be3c6098d17380f3e52514dc7eb30102290b2eb0c1
Manifestd1a03d7cfe16dccd38539b33cb1f5aa54636e2bcd0b8095fcb3d984ec3b34833

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
Signatureq/K8Ey/Eu3rJwU2oujbXxM6jIw4uuF6ChxUEVAb9sW7zVlt4Hn2nBFFz1C7MVd1oV5gWHXK4nociaVTjQTc9DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:32.098162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060789
observed c242e7a8ce4a21ae8621d1be3c6098d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:32.079998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060789/manifest.json
observed d1a03d7cfe16dccd38539b33cb1f5aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:32.062246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060789/publication.md
observed 237d92b8e0a7677d06aac693406b362c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:32.044978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060789/publication.txt
observed 9d083a758cf041f832315b4a74c0c86d...
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.