OpenTechnical

OT-2026-000015570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000015570) never changes.

Identity and time

Publication numberOT-2026-000015570 · never reused
Internal UUID01a0ae6d-ef4b-7204-9293-7cd8c8188276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015570
StatusPUBLIC

Content hashes

Canonical text87fc13618c6f3bda04fb94fecca8fe818d868149f1a50af0b715e64337b69902
Markdowndb646bbef9c22e3596d01f76bc9acd7cc77a85460e4fcd96f82937c1b6681f90
PDF
Publication page4e57d5ce0ad8a67e75f7d90885933248309d182139096f88105bcec8a1822483
Manifest6f00e5f2a6d17ecc12fbe1598c546023e88d66c4aa0df5849aaf8211db586c10

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
SignatureN+vmpALFDzk6FB/BQpVVinmkHOymIdJkAMNpI51M1iFZXT+0DYGjIwnMofRD7WDDXNo6h6k7blPmIFtMKYM6Cg==
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

2026-09-17T12:06:21.733271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015570
observed 4e57d5ce0ad8a67e75f7d90885933248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.713275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015570/manifest.json
observed 6f00e5f2a6d17ecc12fbe1598c546023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.690192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015570/publication.md
observed db646bbef9c22e3596d01f76bc9acd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.665797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015570/publication.txt
observed 87fc13618c6f3bda04fb94fecca8fe81...
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.