OpenTechnical

OT-2026-000056287

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line 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-2026-000056287) never changes.

Identity and time

Publication numberOT-2026-000056287 · never reused
Internal UUID01a0ae87-4bd1-7785-9d42-d4fd01c0d230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056287
StatusPUBLIC

Content hashes

Canonical texta06e7c42fc669a346359eeb8c2fcdff8fa3a355c048967d4bc20368c92f86a46
Markdown68ebc2b187667ffea798244635d36442d43ef1ab0c1ba1eae5ce302a9b332761
PDF
Publication page55d7c5adf87b9474936e55be396499f4f4ee9df56c0f2b3244dd2adb86bebacc
Manifestd334048bff0e1867e396939122cd3ae0ce75ee16435a11f8fd0958de117abd97

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
SignatureIjpa0ApJ0YabY0WZXc07rOeeSOwxKQjzgP3Tp41GGMYXQnUuJm4oL83n+CQzNoQQ99bj5HpjmPrLOgsewNpnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:46.668154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056287
observed 55d7c5adf87b9474936e55be396499f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.650212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056287/manifest.json
observed d334048bff0e1867e396939122cd3ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.632840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056287/publication.md
observed 68ebc2b187667ffea798244635d36442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.613743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056287/publication.txt
observed a06e7c42fc669a346359eeb8c2fcdff8...
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.