OpenTechnical

OT-2026-000015654

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000015654) never changes.

Identity and time

Publication numberOT-2026-000015654 · never reused
Internal UUID01a0ae6e-0c4b-7bb6-b660-1e9379e0ebca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015654
StatusPUBLIC

Content hashes

Canonical text9e1b8454ec511b867e6ddc3ff14a5240592dc7278f1d63ef7404097062f006f7
Markdown20c697b93ba37b118eed8c3f354f2ba9a7820abddf2b978057be4fe330c1c49f
PDF
Publication pageb86d89d3d063ea2be523766389c5de691fb11230cc4099d23f95582c7405efa8
Manifestcf99314e63968467b5cfc3a9606576356f4224f4ea18e3d0bb7086085d3e6828

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
SignaturevW12XqRXEWqFDyvuhBm6YSnYB/48j8bHe9driBs4kibmuS4Z0/DaQJhsXlrpOjPcKP6xySpBWBTCDLMN8NJrCQ==
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

2026-09-17T12:04:54.871996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015654
observed b86d89d3d063ea2be523766389c5de69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.855347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015654/manifest.json
observed cf99314e63968467b5cfc3a960657635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.836287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015654/publication.md
observed 20c697b93ba37b118eed8c3f354f2ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.819273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015654/publication.txt
observed 9e1b8454ec511b867e6ddc3ff14a5240...
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.