OpenTechnical

OT-2026-000104407

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000104407) never changes.

Identity and time

Publication numberOT-2026-000104407 · never reused
Internal UUID01a0aea5-3421-7d20-a064-29d910636ef8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104407
StatusPUBLIC

Content hashes

Canonical text41a0ab6d7fd2c06053289e0be8fa96f39cf2ff02923c9dd90c8533bcfd4b7759
Markdown8a47ebfa2f284a72a5f79472e361fc0c7c698bffaedbabac5c80ffd21652c8f9
PDF
Publication pageced9135688436ef0a149cdcf88244a391e08df3115f95654af735d2675a0b5ad
Manifestd8406e4ec1b147613689857c451cbe967473eb3d1073346bd9618883e3c8ef07

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
Signaturerjux7tFDxUY0kJx0hC70PyJnvQO0iinFW0oT/PV78u0Qjtl9OifRusiQEIaWZzzX7UMXm7gO3LTo27EzIp5PCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:40.667228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104407
observed ced9135688436ef0a149cdcf88244a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.647956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104407/manifest.json
observed d8406e4ec1b147613689857c451cbe96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.630230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104407/publication.md
observed 8a47ebfa2f284a72a5f79472e361fc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.612623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104407/publication.txt
observed 41a0ab6d7fd2c06053289e0be8fa96f3...
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.