OpenTechnical

OT-2026-000030338

Publication integrity record

Three pad foam 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-2026-000030338) never changes.

Identity and time

Publication numberOT-2026-000030338 · never reused
Internal UUID01a0ae73-e501-78da-b93d-a9d62d8793ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030338
StatusPUBLIC

Content hashes

Canonical texta756e93b4067945f6503264a8fa4282ae51023763e33925f38a545f351c4926b
Markdown533dc952936580f1ce95bd9d1309f5488d257610e4d5692b9c678038c2485f86
PDF
Publication page1525e8408de48d7baabb49453677ceb30a2293801d9f9673a5a2b0500b3566d4
Manifestb4690e7213be438665645c3655437f846930a79ab7f62b07b6fc997c6afc30d5

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
Signature/VYFXh/0A4Bp4bbRjHwtmxSkaGElWRxQOzg2l+Xq4Aez3oX+4xpeEmwTrEXC+RgHS2WwsYDEXk2+SX5nNzNbAQ==
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

2026-09-17T11:38:03.037462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030338
observed 1525e8408de48d7baabb49453677ceb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.019066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030338/manifest.json
observed b4690e7213be438665645c3655437f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.001628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030338/publication.md
observed 533dc952936580f1ce95bd9d1309f548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.982543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030338/publication.txt
observed a756e93b4067945f6503264a8fa4282a...
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.