OpenTechnical

OT-2026-000044815

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000044815) never changes.

Identity and time

Publication numberOT-2026-000044815 · never reused
Internal UUID01a0ae7c-911b-7251-975c-400798bdb4b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044815
StatusPUBLIC

Content hashes

Canonical text44e763dce9a933d1d0453dc44d8f1fdd0cc892f62e2f5547947979535a7714fb
Markdown24c80e1eb5c161aca5ad0dc6dd12ea06c23334e4d00487b83ece6195214c1384
PDF
Publication page386034f3bd3b863a80fc53c8c7bc3a46682cf70df6425a53d0baa409f9e4d115
Manifest370049f69998386eb0501c576c8f360215369ec285cdbaafb7e4454d50cd6d8a

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
SignaturenbvIzM+D38vo6mCNTX9oiuvdQQB1lOiyxyiH8ug2iy9XD8xzudqwksifz6DX3tVtNH9XozpMOu2+nEFJH0l1Dw==
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

2026-09-17T11:11:26.960945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044815
observed 386034f3bd3b863a80fc53c8c7bc3a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.940850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044815/manifest.json
observed 370049f69998386eb0501c576c8f3602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.920701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044815/publication.md
observed 24c80e1eb5c161aca5ad0dc6dd12ea06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:26.900995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044815/publication.txt
observed 44e763dce9a933d1d0453dc44d8f1fdd...
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.