OpenTechnical

OT-2026-000059940

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000059940) never changes.

Identity and time

Publication numberOT-2026-000059940 · never reused
Internal UUID01a0ae89-ec26-70dc-af56-57b586419213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059940
StatusPUBLIC

Content hashes

Canonical text41c12b54707d026289056db0a4f39755fde20fbc43ced107a047ca9950ec05eb
Markdown3c7e2720bb2c438bfbca6c7efd6ba72eaed711eb87ca3b482e0bf0bec641e59a
PDF
Publication page03e828b401d0b8b672dba4e871510332d2dbe7c00d7ebdf9d183f3fec88a1351
Manifest2f34ff9a38086a37cbbf534e349bb4ddaca12aa0d14c4d51512f88dd59b398f9

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
Signaturee+0v4Pqf1U8oynHFSilLqjXbTBwh3hcQa+2LHRArzY5I3f/A0DXbiHEDeTReKnCoRbsmEGUudINA59BXa2+VCw==
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...

Independent retrieval

2026-09-17T10:44:42.958495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059940
observed 03e828b401d0b8b672dba4e871510332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.940157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059940/manifest.json
observed 2f34ff9a38086a37cbbf534e349bb4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.920672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059940/publication.md
observed 3c7e2720bb2c438bfbca6c7efd6ba72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.903023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059940/publication.txt
observed 41c12b54707d026289056db0a4f39755...
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.