OpenTechnical

OT-2026-000049920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000049920) never changes.

Identity and time

Publication numberOT-2026-000049920 · never reused
Internal UUID01a0ae81-fd76-7878-ba48-cb412bea346c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049920
StatusPUBLIC

Content hashes

Canonical text86c0ff4e176e0d002328115f027c3269640f2f5d5a8c4b02bf12164d988f0545
Markdown100d4c8547912c89d17b9ddc9e9de4d5974ef4b987370eb5ef2234ca47f8b69c
PDF
Publication page997fb7d20a942ac9de425bd020ded631981cbe091b9176673a2ec45ceefdc9c5
Manifest311a4fe9242774b1054d9c54274cbc7f1ef96c7de0a25ae42342d938f1faa275

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
SignatureBGB5eRutPIcUtlzNy+jKXGF+1E2pSz+NS2A2mtki5ZHXaBRNYyZmhfOiKXCMjOGK4nRbIKJIsNCYP+QneDqzDQ==
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

2026-09-17T11:01:50.831609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049920
observed 997fb7d20a942ac9de425bd020ded631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.813655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049920/manifest.json
observed 311a4fe9242774b1054d9c54274cbc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.795608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049920/publication.md
observed 100d4c8547912c89d17b9ddc9e9de4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.778104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049920/publication.txt
observed 86c0ff4e176e0d002328115f027c3269...
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.