OpenTechnical

OT-2026-000049435

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049435) never changes.

Identity and time

Publication numberOT-2026-000049435 · never reused
Internal UUID01a0ae81-8f7b-7c43-ac36-a38c0f168e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049435
StatusPUBLIC

Content hashes

Canonical texta645a41af8fb65a6a43aa800eebddb9faa2fc0cd096e9658e3b151bdabfa0e47
Markdown41dd5253a8bd94c7fd540af3a8f37b5fa5a8f4cec772dd881d376aae225bb2c8
PDF
Publication page651fa078cfa3dee1d21b294f47b2a08185de2ae7175f542ef8012012b57cc6fc
Manifest04f40aad378d70734dfbe5b50f9ab90f5505738b89235f5d959a586ff231bc6e

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
SignaturecMEwMan/ekoQI1sDTMOyC+NrS7GXAwyCb9T55p0LGRqs6YXHNBxjDIX71Jm+KjIEnDjKa3QXpfN3sFKbmiT9DQ==
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

2026-09-17T11:02:16.053118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049435
observed 651fa078cfa3dee1d21b294f47b2a081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.034793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049435/manifest.json
observed 04f40aad378d70734dfbe5b50f9ab90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.017795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049435/publication.md
observed 41dd5253a8bd94c7fd540af3a8f37b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.999321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049435/publication.txt
observed a645a41af8fb65a6a43aa800eebddb9f...
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.