OpenTechnical

OT-2026-000061838

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000061838) never changes.

Identity and time

Publication numberOT-2026-000061838 · never reused
Internal UUID01a0ae8b-b8ac-7c7c-8498-48ac531feb8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061838
StatusPUBLIC

Content hashes

Canonical text70badad5eec84e4bdd81282ce2fbce3ceda29114b6dbf0800acb0b4f231e9ba5
Markdownc1e40856f5e77a8589241b8df5c39e170171a76a802bb2bdc9a202b19aaee447
PDF
Publication paged2545d7f6d0493c0e6071c7e1ae7ef528c5df2c533ae9db8240f99f16b7339b5
Manifest29e5f5f3ba13e4d9f9a496aa0f6f71ad9c8160b7720012b6ddf949d663716237

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
Signature1FvMwI4n9eudd01iU3OhriuWxFuS5vWcJ4AKV3iqxlTiVn+MehrHCusm2eEuafGnJkKrGjK7CYuoPJbODwhDCw==
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

2026-09-17T10:40:34.882310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061838
observed d2545d7f6d0493c0e6071c7e1ae7ef52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.860034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061838/manifest.json
observed 29e5f5f3ba13e4d9f9a496aa0f6f71ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.838173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061838/publication.md
observed c1e40856f5e77a8589241b8df5c39e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.818990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061838/publication.txt
observed 70badad5eec84e4bdd81282ce2fbce3c...
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.