OpenTechnical

OT-2026-000037146

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000037146) never changes.

Identity and time

Publication numberOT-2026-000037146 · never reused
Internal UUID01a0ae77-7741-7448-abfa-3e15a50b3a39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037146
StatusPUBLIC

Content hashes

Canonical textf50beb2e5cde7a020a512329d39f2e59ef06d3b8f69f3c0b10a56e2cfe7f5d3c
Markdown540cab909b266b570c70602f0f99463dc116bdb2c3812434d6a3f029b44c0488
PDF
Publication pageb323dd0355c8aaa69145ecd730cb811d354ac384796a28da2ff80856146f5a30
Manifest28b389a98f90fd5d5eb97b008030dafb75001d1422a464468cb8c74aa3f42dba

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
SignaturebpLyxGnwbcLMI+M079uLg81fksz6RF96MCpqFweolelyswUbie8GFRyvGOitXIHfLpH3BZQnoEBoowCv/cWPDw==
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

2026-09-17T11:25:01.691593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037146
observed b323dd0355c8aaa69145ecd730cb811d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.676547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037146/manifest.json
observed 28b389a98f90fd5d5eb97b008030dafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.661244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037146/publication.md
observed 540cab909b266b570c70602f0f99463d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.645018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037146/publication.txt
observed f50beb2e5cde7a020a512329d39f2e59...
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.