OpenTechnical

OT-2026-000038548

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000038548) never changes.

Identity and time

Publication numberOT-2026-000038548 · never reused
Internal UUID01a0ae78-2d53-7370-95b1-a768b13f0cc5 · 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-2026-000038548
StatusPUBLIC

Content hashes

Canonical text36a040be447c11902ae4a942b2bc0bf49a2e5c663f45078632b8fd729bb40f9a
Markdowna4f7551b0be8d9e93197e697044c53f8ea7529d4e96c81f10f6e61b4143e38a4
PDF
Publication page7dadce1efa2fc1e4426b88cd4d67dc8900bd3d34b45a98015b60684a14d7207f
Manifestcf8a308e194390cccd92b474a457c6647df640db3de54d88beb023257027ab53

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
SignatureilhlZKl8nkVxe2j1W8nZ+ebV0PC5rhAGUSfvsjOhC1aPWU+2P+drmtOaxG1J8xznC3dkEBp8+eQnHu2eWmL4Dg==
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

2026-09-17T11:22:48.660214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038548
observed 7dadce1efa2fc1e4426b88cd4d67dc89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.640337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038548/manifest.json
observed cf8a308e194390cccd92b474a457c664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.622809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038548/publication.md
observed a4f7551b0be8d9e93197e697044c53f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.604367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038548/publication.txt
observed 36a040be447c11902ae4a942b2bc0bf4...
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.