OpenTechnical

OT-2026-000060570

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000060570) never changes.

Identity and time

Publication numberOT-2026-000060570 · never reused
Internal UUID01a0ae8a-b7cc-7b75-9328-ee85c148d269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060570
StatusPUBLIC

Content hashes

Canonical text4eda8b5d582a40cc946f38b92186b042f42b61ac3613689cb926ac11892cc320
Markdownbc248ae66cff29b517fbfe1682037f3bd8516a0685892e5fe25ffbb6621125ce
PDF
Publication page23f86a77cb028f2d7f28bd450e33cef689d280ab31a34575c16b83b594ab8fc6
Manifest8964bd477d3338e941ee6e9ca808e49ef7236933049646dfa203b978e17e1c13

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
SignaturejQTrB3XL6TMCILpU765cYqNw1KP4Ln1/B5cMGMTmImAKIvHYCMGUTkWTuQXrMoq+r6XKLiaKB43WTC3JsMA/Bw==
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

2026-09-17T10:43:11.192560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060570
observed 23f86a77cb028f2d7f28bd450e33cef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.175459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060570/manifest.json
observed 8964bd477d3338e941ee6e9ca808e49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.159651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060570/publication.md
observed bc248ae66cff29b517fbfe1682037f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.142395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060570/publication.txt
observed 4eda8b5d582a40cc946f38b92186b042...
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.