OpenTechnical

OT-2026-000038387

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000038387) never changes.

Identity and time

Publication numberOT-2026-000038387 · never reused
Internal UUID01a0ae78-2d52-71d2-affc-f7ffa50cb5a2 · 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-2026-000038387
StatusPUBLIC

Content hashes

Canonical text82d4061ef836b65102db15f32c0e7aec7c7fc891d246a3433f622fd71ff43d77
Markdown7c24b941b88b31774293e91f5c8fb08680268fc4ba5e4d41b79dc6a4fc74567c
PDF
Publication page6fb161ae3dc07b5833cfae2396e808451e9a240a7f68ca98467e1b3e9d70fd1b
Manifestd9009dc226c4019e1f4ee99720420f90f7dafa8cea9788d778ceb4fca7069179

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
SignatureNEHNKPmXepOt+UVS/NxChjmpQcHXCL5Rehmo0sbhkz/7W438fS4hUW2gFw4jaA2JtwISCgv3K5v4goxK8dxiBw==
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

2026-09-17T11:22:35.381247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038387
observed 6fb161ae3dc07b5833cfae2396e80845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.364000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038387/manifest.json
observed d9009dc226c4019e1f4ee99720420f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.346196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038387/publication.md
observed 7c24b941b88b31774293e91f5c8fb086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.328544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038387/publication.txt
observed 82d4061ef836b65102db15f32c0e7aec...
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.