OpenTechnical

OT-2026-000054106

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000054106) never changes.

Identity and time

Publication numberOT-2026-000054106 · never reused
Internal UUID01a0ae85-b3a8-7949-a977-e3dbc2ef4824 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054106
StatusPUBLIC

Content hashes

Canonical texte0ec24c71383a05c27007a9ee67f79f4f9b62c100bfce9cc7c93536049195a19
Markdown8a3560349e46a93b8e8f9b5d5ecdf6b27742cce96e6e2f05ff8b9d6e63a420d2
PDF
Publication pagee5d1de4314c784123f9d28995ff5090403ab5ee2c9113f2918e2b6e1f7716550
Manifest9f232f7739d68af20896ea59dee08e96daf77717942ac0d6151bb4fb0eb21dfc

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
SignatureHNCiS2GgGyw5RMltn3KqGCMu0RWdnH/fhV97vDR46R2mYZ10cC09dK7xg6L9z0ZWm3ihwL/y9h8FJxubfRgRDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:29.952364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054106
observed e5d1de4314c784123f9d28995ff50904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.934909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054106/manifest.json
observed 9f232f7739d68af20896ea59dee08e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.916780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054106/publication.md
observed 8a3560349e46a93b8e8f9b5d5ecdf6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.888579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054106/publication.txt
observed e0ec24c71383a05c27007a9ee67f79f4...
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.