OpenTechnical

OT-2026-000053387

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000053387) never changes.

Identity and time

Publication numberOT-2026-000053387 · never reused
Internal UUID01a0ae85-0a8f-706e-98db-7a9504c6bcc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053387
StatusPUBLIC

Content hashes

Canonical textacf58e77f9d07dd5ee9217b1662113bf87e26cf60d9af3a4d2694c536a89f58c
Markdown1a5b796f6db3ecf4376054a421b8f2f53702c1a84d518c8d3425029f7813f70c
PDF
Publication page3c0fe4ad9f0bf90ce74a70faf59d7960987a42f0c372a199115e5b4087f0a70e
Manifest3a40a2673a355d9ccdfe18bb0fd303e99ebfc21d6f2cf9f042263a86690b1f2b

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
Signature7gjEhK2VcIUtVm056i+R/Um5mnYO8wgO9xuL+SVgaztDy1QfmRjwZJJmC3zCbEVWgtGECf2Ap8CePz972yAOBw==
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

2026-09-17T10:55:06.514769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053387
observed 3c0fe4ad9f0bf90ce74a70faf59d7960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.498517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053387/manifest.json
observed 3a40a2673a355d9ccdfe18bb0fd303e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.481024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053387/publication.md
observed 1a5b796f6db3ecf4376054a421b8f2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.462073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053387/publication.txt
observed acf58e77f9d07dd5ee9217b1662113bf...
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.