OpenTechnical

OT-2026-000030050

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000030050) never changes.

Identity and time

Publication numberOT-2026-000030050 · never reused
Internal UUID01a0ae73-ac4a-792f-be43-da11801079ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030050
StatusPUBLIC

Content hashes

Canonical text7aaa7e69d0d8cc1c0523d2888dca4ff0c79ad13385c097583481e71b9b9b4d7d
Markdowneea9a9c2e1d81c1be661014f3350755a3287e5d001f6993f4480c8c0eaf043f0
PDF
Publication page8215fc53602bcf00efc00c4d685b088c912c1588854dd6f17f570d4f7c5c95be
Manifest4670cdb8bc9f1289b813c6fe30a771ed229fd3d3ebd7cbfa6739b7ef435767e5

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
SignatureJlqDgfDFwfJCjCYowtDssbNcOraXpQOCp7R4wAvf0O2SYo9R2bVr9XHJabhgSqFScoEawrU7S1nFZNiuZOGqBQ==
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

2026-09-17T11:38:47.374744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030050
observed 8215fc53602bcf00efc00c4d685b088c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.357664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030050/manifest.json
observed 4670cdb8bc9f1289b813c6fe30a771ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.340315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030050/publication.md
observed eea9a9c2e1d81c1be661014f3350755a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.322819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030050/publication.txt
observed 7aaa7e69d0d8cc1c0523d2888dca4ff0...
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.