OpenTechnical

OT-2026-000061122

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061122) never changes.

Identity and time

Publication numberOT-2026-000061122 · never reused
Internal UUID01a0ae8b-137e-75fe-b115-9f5c6f3aa602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061122
StatusPUBLIC

Content hashes

Canonical text9c4162670eca4d06700e0115599c0ea5f3238fde6f9aeda4a634c038b806c516
Markdown388a25f92c5f910d39c007c04800cdfb8c2d3bd720a143878d17a50408b0c151
PDF
Publication page14708bc2d97a9dc6a3af0a036760b42f34a44b837a9767cc57a2d8e668add2c3
Manifest91061bc639355d82f45ec732b8270fd3b1535ba55354458c914906d627845d50

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
SignatureHiZDtMwC4AWY8iSf0yEBorClaQsqZO9fR6Mc6roZ8b7/S/2wkbL183OtJAjGUcI1O7EowtRGdeJhkW991eLVBw==
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

2026-09-17T10:42:29.816033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061122
observed 14708bc2d97a9dc6a3af0a036760b42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.796726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061122/manifest.json
observed 91061bc639355d82f45ec732b8270fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.777419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061122/publication.md
observed 388a25f92c5f910d39c007c04800cdfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.757218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061122/publication.txt
observed 9c4162670eca4d06700e0115599c0ea5...
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.