OpenTechnical

OT-2026-000033544

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000033544) never changes.

Identity and time

Publication numberOT-2026-000033544 · never reused
Internal UUID01a0ae75-a38e-7df8-96d6-f6654a932c8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033544
StatusPUBLIC

Content hashes

Canonical texta0561dde1fdd5915ba994fe988261fafca00fec7dfb8eb20be292d9ef3451bf7
Markdownb55730ea31f0f6328a51b2a39a50e2b647d3eddd3b887e1565546e4e70c17b2f
PDF
Publication page89f1ab1a7380724de0ecad4d55b6c91647bc40b34c3fae01531625c4bebff4c1
Manifestab42e63c7674e2394931a938357c4839d33680684ad5db13bf1b355c378a3214

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
SignatureUFk64WJLJhpiXeC4qprG+Y1nrg6DOE2M1Rxppy6dMVa7tVUC37AB8EWr150d+onnKZkvgo34Mxhhp4SqBv+TDQ==
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

2026-09-17T11:31:24.387313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033544
observed 89f1ab1a7380724de0ecad4d55b6c916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.368619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033544/manifest.json
observed ab42e63c7674e2394931a938357c4839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.351699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033544/publication.md
observed b55730ea31f0f6328a51b2a39a50e2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.333677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033544/publication.txt
observed a0561dde1fdd5915ba994fe988261faf...
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.