OpenTechnical

OT-2026-000032476

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000032476) never changes.

Identity and time

Publication numberOT-2026-000032476 · never reused
Internal UUID01a0ae75-106f-7466-bbd9-b37c28484dd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032476
StatusPUBLIC

Content hashes

Canonical text7d064aef1df62880a657b80e2e49a2925e7e39db0c60077d451db4e6a521c1de
Markdown7488df853075256341245128483adcc6b79a443b2541a1155dff70bb09f800fd
PDF
Publication page872f4686b9686894e45f6637e9b1af08f7ba76ca580e0be10638cad86505c655
Manifest17c4f2734afc7250b33ea653099736f5fa4d67d8d4eed8f70afd9a7d73ef0601

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
Signature3qRIq/9DF5hcFrmIGLdXJAZd+JnauQ2En5bz93SIqfRvFz+rbfBtaY444FxmJtITKu6cRG6a8Hogk30bOJfcAg==
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

2026-09-17T11:33:54.549364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032476
observed 872f4686b9686894e45f6637e9b1af08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.534692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032476/manifest.json
observed 17c4f2734afc7250b33ea653099736f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.519811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032476/publication.md
observed 7488df853075256341245128483adcc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.503805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032476/publication.txt
observed 7d064aef1df62880a657b80e2e49a292...
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.