OpenTechnical

OT-2026-000038197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000038197) never changes.

Identity and time

Publication numberOT-2026-000038197 · never reused
Internal UUID01a0ae78-2d50-7b5c-9bc9-63e788b7d354 · 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-2026-000038197
StatusPUBLIC

Content hashes

Canonical textfade7c24510a630214809c9495931529b4bbdcef2163402717bc84671cec3747
Markdown686331522eae16f3cd9ca35f9d0fe2dfe67bb83234a97e1ed8597a0adcc5cc7b
PDF
Publication page8eb66f7ea1a3aea81a9de91e996eab593272dbdc5926070261b773cd2482c0a1
Manifest1b26d1cf768f6082da5694d093ebcd78c72b35dd83729affc5ef6cc4cd1672f4

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
SignatureeIc1/ha2Gc6ycAzq9cEp5SaC0DZgx5gkYlA7f0F2sg+Sp2DA9NNKhVC0O/ULXt9cXXrq19ivl+zfRnMbssNoBA==
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

2026-09-17T11:22:19.643674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038197
observed 8eb66f7ea1a3aea81a9de91e996eab59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.624457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038197/manifest.json
observed 1b26d1cf768f6082da5694d093ebcd78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.606294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038197/publication.md
observed 686331522eae16f3cd9ca35f9d0fe2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.589986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038197/publication.txt
observed fade7c24510a630214809c9495931529...
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.