OpenTechnical

OT-2026-000043563

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043563) never changes.

Identity and time

Publication numberOT-2026-000043563 · never reused
Internal UUID01a0ae7b-92cf-790d-9dee-91faac3da01f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043563
StatusPUBLIC

Content hashes

Canonical textad27e2e3c4cc49ed6f119014442a62132771bd38fbcf3029ea04f6707465fdfc
Markdown31949a440f09b0d7c00342b3bab847008e1ded2c38dfb19fd8e26406fc962e22
PDF
Publication pagebeac4fc18186f22d9a2d5c52dc8d15fe824811b988c44aad832579a8bd36b162
Manifest4d8e2742d4591a37dce8a8e313880368bc89253a5552a2a61aa3d781928d50fb

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
Signature36G/QaWK7LwPZnhcvm0O943kfk+0jOKcbZik29s2erxx/8WhGow7YTIsFgmAbVsGdVppH3sr4jphXY2cti+GCA==
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

2026-09-17T11:12:57.340645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043563
observed beac4fc18186f22d9a2d5c52dc8d15fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.322451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043563/manifest.json
observed 4d8e2742d4591a37dce8a8e313880368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.302654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043563/publication.md
observed 31949a440f09b0d7c00342b3bab84700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.282424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043563/publication.txt
observed ad27e2e3c4cc49ed6f119014442a6213...
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.