OpenTechnical

OT-2026-000061055

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000061055) never changes.

Identity and time

Publication numberOT-2026-000061055 · never reused
Internal UUID01a0ae8b-137d-74e4-b6af-7e8d79a3a8ea · 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-2026-000061055
StatusPUBLIC

Content hashes

Canonical textb65decd65ecc7895f9b781d7fec7aa4ca6852c04abccafe24a397659e979829b
Markdown6c180f66eabf598749573ff4a282e85be217137cb78083e55555afe5e0449ec4
PDF
Publication pageed4f204ac0c62df5744907b0639fb5882a661a43b2979d8eaf879814c1367324
Manifest2841f93e636c753d114ccab630d8e1d122b979aa934d53a8fdc89fa19bc86dfb

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
SignaturepYUgiLDGK244JzY8T+4fHzmi+FXAQXWnRMFXt9ZXHXTK0icaug2eQ7HdaqqMNrnRJAe5ADcNdW60QsJGPcalBQ==
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

2026-09-17T10:42:24.642284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061055
observed ed4f204ac0c62df5744907b0639fb588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.618553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061055/manifest.json
observed 2841f93e636c753d114ccab630d8e1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.599412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061055/publication.md
observed 6c180f66eabf598749573ff4a282e85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.581645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061055/publication.txt
observed b65decd65ecc7895f9b781d7fec7aa4c...
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.