OpenTechnical

OT-2026-000047198

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000047198) never changes.

Identity and time

Publication numberOT-2026-000047198 · never reused
Internal UUID01a0ae7e-d0f9-710b-83a3-e6fb7e867c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047198
StatusPUBLIC

Content hashes

Canonical text081d3dcc80e3fd0b6de0931719564b1d00988670a57c45eb9034b1202b5d0861
Markdown57e730fbb547da48f2b1745b7a4d5773c4d6c5ee6476720fed31037bf84518c9
PDF
Publication pagee4a65370a42505eee2602b5a2c1ea31b63873aad6efacd32e107864462d72260
Manifest5c53ec87324b555f1f616166bd3581e4cc59906847cbd3102d09af40798ca435

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
Signature92Zc+JVKXxxZAKkNLHZQtn4uhyk7wVS+XsJNFUBHgJM5zRd7/OCKK0s6ErpnVATNFnwqGL1f2kUaEkbIePIYDQ==
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

2026-09-17T11:10:34.614154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198
observed e4a65370a42505eee2602b5a2c1ea31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.593839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198/manifest.json
observed 5c53ec87324b555f1f616166bd3581e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.574328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198/publication.md
observed 57e730fbb547da48f2b1745b7a4d5773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.556585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198/publication.txt
observed 081d3dcc80e3fd0b6de0931719564b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.634707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198
observed e4a65370a42505eee2602b5a2c1ea31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.613775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198/manifest.json
observed 5c53ec87324b555f1f616166bd3581e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.592887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198/publication.md
observed 57e730fbb547da48f2b1745b7a4d5773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.573038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047198/publication.txt
observed 081d3dcc80e3fd0b6de0931719564b1d...
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.