OpenTechnical

OT-2026-000059023

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000059023) never changes.

Identity and time

Publication numberOT-2026-000059023 · never reused
Internal UUID01a0ae89-47a1-7203-a1b0-92fb57578017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059023
StatusPUBLIC

Content hashes

Canonical textd3f630b0a1fd8dec436145bb71842d74908fc644e563f1e6c162d7c02a47c44f
Markdownfc13cd20a9c50817d6691b8c98ad0301fc0bb5e112bf81d84f00679ae4098f74
PDF
Publication page51a97214bcb90a0ec38e2df84747ec116522293f7ddcdddb193e1391fd9944e9
Manifest46bf299d7f52aba46dff83f8185a1eabcb868225ced2dcb3c6ae0810213242ec

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
SignatureOWcFRwvIvu0MZ+5jlGMEYrVz5tlGfpcZ9X0oN1+TnArMhjsGzWSOaXgwpoyGl76m8rbOLTNXUprNOQPLX9WmAg==
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

2026-09-17T10:46:37.135375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059023
observed 51a97214bcb90a0ec38e2df84747ec11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.117699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059023/manifest.json
observed 46bf299d7f52aba46dff83f8185a1eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.099656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059023/publication.md
observed fc13cd20a9c50817d6691b8c98ad0301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:37.081369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059023/publication.txt
observed d3f630b0a1fd8dec436145bb71842d74...
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.