OpenTechnical

OT-2026-000081151

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000081151) never changes.

Identity and time

Publication numberOT-2026-000081151 · never reused
Internal UUID01a0ae96-b977-7cbb-953b-182a6835c921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081151
StatusPUBLIC

Content hashes

Canonical textfbd7205ddffef671bb0e9483ab872911eecda54e402743fc34016816c6b388ea
Markdowncdf5ec436981b87d63c3acf7d84b17efb12c071bf74cc9e55eba0e8aad44807b
PDF
Publication pagefb26b1522408779412f0a9b9d73434588f00b19417dbb03fdbb6f96a88f09761
Manifest9908dde121912759e563ba35de8c92326f0eb76644292b14ea5693a3b7372101

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
SignaturelJLvh5NG3HtEAEoc5nlEO2zcVHIb+WufFwukRPgHqq/9jD58bZGHLcsPZj2XJ1kswjs27RW3BJIQ3gkliHiRDw==
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

2026-09-17T10:02:32.527080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081151
observed fb26b1522408779412f0a9b9d7343458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.508550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081151/manifest.json
observed 9908dde121912759e563ba35de8c9232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.488662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081151/publication.md
observed cdf5ec436981b87d63c3acf7d84b17ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.470500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081151/publication.txt
observed fbd7205ddffef671bb0e9483ab872911...
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.