OpenTechnical

OT-2026-000047441

Publication integrity record

Four cup vacuum gripper, four 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-2026-000047441) never changes.

Identity and time

Publication numberOT-2026-000047441 · never reused
Internal UUID01a0ae7f-3e58-784d-a1a1-0e8a0a6dc3f7 · 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-2026-000047441
StatusPUBLIC

Content hashes

Canonical text569eeba6105755b01d9aacf0e90129de7a8fc37f2662442a04dbbb446788576b
Markdown5c606ee91b443ebcf20a1a3308ad155672141591ce7786b0a86268f6baaf9fd1
PDF
Publication page74217b76b09b99964c71dff9c74410c69320026dcf3ca9b310b548416c746483
Manifestfc95b97270c3dd8202218e2ff4cef9ab5b2235ac59aeda1e2b19bb977af74f01

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
Signature2DWUdvlHQG1kNmB6NmlrEwC7we1tsq6hN7HFoCfqcBBtzjORqMdTrNvwYp5poswNs/irnS0gKpSYU3ynq/XsDQ==
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

2026-09-17T11:06:28.054698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047441
observed 74217b76b09b99964c71dff9c74410c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.036455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047441/manifest.json
observed fc95b97270c3dd8202218e2ff4cef9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.017809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047441/publication.md
observed 5c606ee91b443ebcf20a1a3308ad1556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.997119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047441/publication.txt
observed 569eeba6105755b01d9aacf0e90129de...
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.