OpenTechnical

OT-2026-000047561

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047561) never changes.

Identity and time

Publication numberOT-2026-000047561 · never reused
Internal UUID01a0ae7f-3e59-7af3-8489-47ae0fb07869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047561
StatusPUBLIC

Content hashes

Canonical textc16825aa70b54bedf2c4542ac1c3e16dccc0db963451c1a5510f349b896e5e64
Markdownb94e8800d27d5f39040710c47e50099bcb346692dcba5b7a0869ade6995b8cf8
PDF
Publication page5438329d015c14156ed1c2b69fe72f2d5707eb2e9fb7f5fa6383ba939ceabc7c
Manifestf536881cc4c63fc0b41583a4b741f59b7c13f1cfdda3fa5f3b52b297f2e365d4

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
SignaturebKL6t1zNpXccFrJyr8mQ+taEW7BxqkUpGFDC8UqmMoARCmBZtpaGR/8QovvKcwlkCmrxXrokQbvraMhNFLa4Cg==
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

2026-09-17T11:06:41.066107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047561
observed 5438329d015c14156ed1c2b69fe72f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.047724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047561/manifest.json
observed f536881cc4c63fc0b41583a4b741f59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.027417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047561/publication.md
observed b94e8800d27d5f39040710c47e50099b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.009568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047561/publication.txt
observed c16825aa70b54bedf2c4542ac1c3e16d...
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.