OpenTechnical

OT-2026-000058456

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000058456) never changes.

Identity and time

Publication numberOT-2026-000058456 · never reused
Internal UUID01a0ae88-f39b-7b43-8894-7d5daa1de960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058456
StatusPUBLIC

Content hashes

Canonical text8abf01636c63c382ebb37185993c5fd90da0e8d2ace4217700fa0bfc5e7cdd3d
Markdownc6abc38e9701aef75a8db88b10c30beee2e3a095058442a3fafe9dfe2b5e19ec
PDF
Publication page9761f82af79149ad7de1fc305a45ab5b632a6dbf6904f484ebeb07e238914402
Manifesta79c2a358d8547bc476bee45f843343e58673059525bf0b55a4ef10de8d59af6

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
SignatureC7OkZAs4tDf8RU/+gH1KsD9bxyoxVI7z969FKouhNWqdZ/mHAxpYDEy2gmT64fvqUfGVgRekZd1hXF2cCj1mCw==
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

2026-09-17T10:46:54.329312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058456
observed 9761f82af79149ad7de1fc305a45ab5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.311744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058456/manifest.json
observed a79c2a358d8547bc476bee45f843343e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.293596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058456/publication.md
observed c6abc38e9701aef75a8db88b10c30bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.276155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058456/publication.txt
observed 8abf01636c63c382ebb37185993c5fd9...
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.