OpenTechnical

OT-2026-000084113

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, sustained 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-2026-000084113) never changes.

Identity and time

Publication numberOT-2026-000084113 · never reused
Internal UUID01a0ae98-5b5f-71bf-a49e-620ade2c5e27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084113
StatusPUBLIC

Content hashes

Canonical text7baea84cf08e9a50c76ba5636991f803060a4b3eb2172a5a0f4edae0fc6a97b5
Markdownb3158f9c51a6f721648500ef976a82e69b6a34bd695a62336304c58ecead07f3
PDF
Publication pagefeeb607be0536792108b1744648f9fd00867880229a42c55e1108d77e9a8c00d
Manifest6a617581de6a58217eca00dedbe63c18d428f977672a077fdd0ee924f593e2de

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
SignatureJzooX1alW54eR9L5OgI8s6S4FkvmtjuZTpnxUX1U3kyCi2EibMyaZG4bN6XAH3wvzPT89kiyrn96lZeosoCYAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:52.254149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084113
observed feeb607be0536792108b1744648f9fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.233284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084113/manifest.json
observed 6a617581de6a58217eca00dedbe63c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.213818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084113/publication.md
observed b3158f9c51a6f721648500ef976a82e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.194621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084113/publication.txt
observed 7baea84cf08e9a50c76ba5636991f803...
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.