OpenTechnical

OT-2026-000041726

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000041726) never changes.

Identity and time

Publication numberOT-2026-000041726 · never reused
Internal UUID01a0ae79-e8a1-71ba-81c2-35f747433d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041726
StatusPUBLIC

Content hashes

Canonical text4e454ea0962212b901033707886fed2c094498165513f369b2e0d619911d4c0f
Markdown2f75c9c50de37446350ebcfdb005c49e51b01b166244fa3427d3c8efefde47da
PDF
Publication pageb186f25175c514b46128eab8733b65b476ed58371676281a3919b9825c60b738
Manifest7e404e4d3f4198e19ff0b83abf01b1208adf9048203bc3bd116e4a087471f707

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
Signature4pJ+Y6/SUUZ7rnmLWcsOxzVn+hfptN8ITIHlDksFMwAhE2e5/2E/4V32d/dLW9uYbPvjKP2y0S31sF/IOHJsBQ==
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

2026-09-17T11:16:34.000107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041726
observed b186f25175c514b46128eab8733b65b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.983945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041726/manifest.json
observed 7e404e4d3f4198e19ff0b83abf01b120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.966783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041726/publication.md
observed 2f75c9c50de37446350ebcfdb005c49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.947995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041726/publication.txt
observed 4e454ea0962212b901033707886fed2c...
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.