OpenTechnical

OT-2026-000048534

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000048534) never changes.

Identity and time

Publication numberOT-2026-000048534 · never reused
Internal UUID01a0ae80-4de6-7083-9d2d-b1970a7e4c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048534
StatusPUBLIC

Content hashes

Canonical text8e92e6ef5cd0f0741de0897683733acbb09f338d86cb85b0321077ec9eb2be7b
Markdown17a7490b9f7ffe808e739989ec1d035d9c3a3e927bb80b7e009090a6763bbcb2
PDF
Publication page47f2ebadcd21cd00ef7b5729ec786d771e27d1e37a551cbd652ecdb1910ef286
Manifest83c453dac7bf7ac207dd4a7b570c76e4099a67f38efb9e23c49b67afee618257

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
Signaturepi4+Xsw+/cKHJBuhsSWto20s8KHokdivcAPCnXv1+OwfSq2Cd6o7x3GBPUrH7yaYwAVfd84aXEfdTrusObd+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

2026-09-17T11:05:19.426127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048534
observed 47f2ebadcd21cd00ef7b5729ec786d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.407337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048534/manifest.json
observed 83c453dac7bf7ac207dd4a7b570c76e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.388196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048534/publication.md
observed 17a7490b9f7ffe808e739989ec1d035d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.368728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048534/publication.txt
observed 8e92e6ef5cd0f0741de0897683733acb...
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.