OpenTechnical

OT-2026-000025499

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000025499) never changes.

Identity and time

Publication numberOT-2026-000025499 · never reused
Internal UUID01a0ae71-5fa8-7897-b635-8de41e42608f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025499
StatusPUBLIC

Content hashes

Canonical text3328ec3f47ec327d163c872983e7e4f8ab89a3d4878ccb860420a18edc757da6
Markdown163cb17d2c8cdbe3694db26f4933df5825e05206ecceb88f5c9a20c0bd41ac95
PDF
Publication pagedc2077d5f056a49819cbd6362ee7f29bb37db85d78bbe3955276fadde6b8e22e
Manifest79fd6f6ccb96c0f54730753aeb33a3053fd4019ad8e57a15c6a442c61cd047d3

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
Signaturek5XYsMhzhWZ4ryYynhSIDzNP6LycTLVzF5Yfchxd3M14GdKlGAQB/3OTten5EujYetuLQfNKu2YiaktyByOoBQ==
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

2026-09-17T11:47:35.780215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025499
observed dc2077d5f056a49819cbd6362ee7f29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.761416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025499/manifest.json
observed 79fd6f6ccb96c0f54730753aeb33a305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.741520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025499/publication.md
observed 163cb17d2c8cdbe3694db26f4933df58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.723787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025499/publication.txt
observed 3328ec3f47ec327d163c872983e7e4f8...
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.