OpenTechnical

OT-2026-000012574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000012574) never changes.

Identity and time

Publication numberOT-2026-000012574 · never reused
Internal UUID01a0ae6d-39f7-7a60-aa38-839443b9d644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012574
StatusPUBLIC

Content hashes

Canonical text20a9c9880254047dbab7207ecc6240a1b1c127372503bc35d9b2bc4e0b7c0241
Markdownbcd326769f877e399ff7a7fe8176619ee69f92fa52c50eddb00eb397dc78370d
PDF
Publication page08d6d7a604ae74a3689ae6a3b201f6a5930c985af79a6dd911e7e76de66a3fdd
Manifest11cb1d7d970a59479446aecb3c7cd4e70b7063f6350cbdfce9a7f0a1a7977162

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
SignatureBM372Ncm6NXpV5sgfFRNVyThj4NNdOFE0pqyWO4UB57tV8hDeQOrgp2ghUyLXJnhiHRisxx2p809vdKQ3hNGBA==
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

2026-09-17T12:12:07.556800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012574
observed 08d6d7a604ae74a3689ae6a3b201f6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.537832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012574/manifest.json
observed 11cb1d7d970a59479446aecb3c7cd4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.515593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012574/publication.md
observed bcd326769f877e399ff7a7fe8176619e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.496386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012574/publication.txt
observed 20a9c9880254047dbab7207ecc6240a1...
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.