OpenTechnical

OT-2026-000015557

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000015557) never changes.

Identity and time

Publication numberOT-2026-000015557 · never reused
Internal UUID01a0ae6d-ef4b-734d-986d-ed68341d403a · 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-2026-000015557
StatusPUBLIC

Content hashes

Canonical textfdec00c78fa083537bb041ebc11b6c26eab8e2dcc3b47c25954566c3dfcfb533
Markdown13ff5ddc76b16322602e2b8a163024a8177d17aad54d2863991e7ea4714a9d98
PDF
Publication pagea6e876cff6fcc127c4eef911eebbe722981b88f8a6b705786416515d8301243f
Manifestd0b3e3ddf2e8c41e5ef33340fe0e4ec66858cec93aad60bf7e08f29c067b93cb

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
Signaturenng3kUiA0aDkENHH+KoDhEyxdRug09ijQzDWzkStQXyEzXTNhn6wFzVQGNlLNRRvj8VNy1ePnWO8MpHgc2XICQ==
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

2026-09-17T12:06:20.679422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015557
observed a6e876cff6fcc127c4eef911eebbe722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.662264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015557/manifest.json
observed d0b3e3ddf2e8c41e5ef33340fe0e4ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.643520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015557/publication.md
observed 13ff5ddc76b16322602e2b8a163024a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.623467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015557/publication.txt
observed fdec00c78fa083537bb041ebc11b6c26...
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.