OpenTechnical

OT-2026-000032130

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000032130) never changes.

Identity and time

Publication numberOT-2026-000032130 · never reused
Internal UUID01a0ae74-f7a5-77f3-80ac-d9a8554ebc3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032130
StatusPUBLIC

Content hashes

Canonical text7482d6b53f371c11967b92720129859663d433dff6e7a9511f0445e2953d6f59
Markdown2065822c6d1709572f301d3a5dd88e725206f23d6f742972f757800e90670643
PDF
Publication page913af94f6ddad9a4270d9ebb396d0bcffbbb8defb44e41046b1591fb51ecf255
Manifest91ae8cffc1d3420210e0fdba2650a91c023131c3200838ef7540805ebeddaf5e

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
SignaturebgZ5ObuevRSJp0/YhFNy53HmQ8Q3xLSpUvAVY9+CQnoszfKFAFbhj1LM41Aus7ddgkZfF5ypTQV/jKSICBA+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:34:26.907115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032130
observed 913af94f6ddad9a4270d9ebb396d0bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.888954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032130/manifest.json
observed 91ae8cffc1d3420210e0fdba2650a91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.868941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032130/publication.md
observed 2065822c6d1709572f301d3a5dd88e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.851738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032130/publication.txt
observed 7482d6b53f371c11967b927201298596...
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.