OpenTechnical

OT-2026-000013253

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000013253) never changes.

Identity and time

Publication numberOT-2026-000013253 · never reused
Internal UUID01a0ae6d-6fc9-7575-9566-99cd205ad59f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013253
StatusPUBLIC

Content hashes

Canonical text7f6ee2619b9ce5bac0dc3ff7302014df5359018985813c681d8f4287b771ae42
Markdown002a521eeb5c06dbe3311dc2b48b990a3e69667d9313b2b89d4bde3e62b5eaca
PDF
Publication page8896cb5fc49653e69fcd02e2d72e0e81e3cd78b49720ba08dee4ef6b2c7a7c4b
Manifeste08bdd341326296bd1a11b0e11132d005511505f4319d81bfc1b6591e2428a2c

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
SignatureFUgcm1L36B8YyaL2yI3U55N01TWzTsYfyFncCYumm7oLEo4Pb97bqTw+k++UzwQ8CS4e8ZAMDPRFeJbIBWTJAA==
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

2026-09-17T12:09:39.551359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013253
observed 8896cb5fc49653e69fcd02e2d72e0e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.531960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013253/manifest.json
observed e08bdd341326296bd1a11b0e11132d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.512052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013253/publication.md
observed 002a521eeb5c06dbe3311dc2b48b990a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.493152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013253/publication.txt
observed 7f6ee2619b9ce5bac0dc3ff7302014df...
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.