OpenTechnical

OT-2026-000025427

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000025427) never changes.

Identity and time

Publication numberOT-2026-000025427 · never reused
Internal UUID01a0ae71-5fa7-74fb-aaf3-81bfc39941f2 · 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-2026-000025427
StatusPUBLIC

Content hashes

Canonical texta819ad6ddb59ec1c9b1eddee119c5a83d862bf6e2c9f0136f0b2359bdfeba3ff
Markdownc99568384f7b8f6501bd7c347c0f7bc5e5620e84d76f826a02ecc1cc7d32b72e
PDF
Publication page8f633218b66fc8585491abcc074692609feb94d4a7478a5ffc13f7bc4eba1c24
Manifest0316dcc0e815b1f4444399caaa442cb20f8af085e6f0e27cfd4a540a9cbfcdbe

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
Signaturenfs8iF0jtqpUGq1EMwp+eqCBcVLijQ9EhwmXlp0keNdLWXiliUPD4uqoP8vgseREZCuKdTt4vXoRXHTrCj8NAA==
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

2026-09-17T11:47:30.296280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025427
observed 8f633218b66fc8585491abcc07469260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.279482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025427/manifest.json
observed 0316dcc0e815b1f4444399caaa442cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.261572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025427/publication.md
observed c99568384f7b8f6501bd7c347c0f7bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.244794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025427/publication.txt
observed a819ad6ddb59ec1c9b1eddee119c5a83...
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.