OpenTechnical

OT-2026-000029422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029422) never changes.

Identity and time

Publication numberOT-2026-000029422 · never reused
Internal UUID01a0ae73-5e20-7bbc-99e7-4c43f568ca74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029422
StatusPUBLIC

Content hashes

Canonical text7c33460dde026476e2ae2e5ce46ab5ad91524bc0b8edd4a862b874c7977d9484
Markdown0cbeef84304c0de00ffd1f0c9130343d342d178ec62468912b841b372fb43ed6
PDF
Publication paged51e1b30545b662a0e93294ccc2c7a7bf7b44db2258742e0702e5ff529d2f0ad
Manifest3a2a55d81c062cbd7a454840235a2065a5a0ae85aaed06cdd319f4e50a7ae3a5

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
Signature+Fd7vEb0GWD3yUfFg5qzU8CzOdZpjHS4HL9qQw2TAnCa8o/AynK/DOeoFPl3CMhztSvk6k7faMxkXv4Cts4eAQ==
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

2026-09-17T11:39:01.858054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029422
observed d51e1b30545b662a0e93294ccc2c7a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.837810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029422/manifest.json
observed 3a2a55d81c062cbd7a454840235a2065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.819575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029422/publication.md
observed 0cbeef84304c0de00ffd1f0c9130343d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.801416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029422/publication.txt
observed 7c33460dde026476e2ae2e5ce46ab5ad...
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.