Pith Number

pith:5WCJMGAT

pith:2018:5WCJMGATFENZM6ESH54FYUMM4X

not attested not anchored not stored refs pending

DeepKey: Towards End-to-End Physical Key Replication From a Single Photograph

Rory Smith, Tilo Burghardt

arxiv:1811.01405 v1 · 2018-11-04 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WCJMGATFENZM6ESH54FYUMM4X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:01:34.406849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed84961813291b9678923f785c518ce5c878ed4faef51460ad25f596d83e4c23

Aliases

arxiv: 1811.01405 · arxiv_version: 1811.01405v1 · doi: 10.48550/arxiv.1811.01405 · pith_short_12: 5WCJMGATFENZ · pith_short_16: 5WCJMGATFENZM6ES · pith_short_8: 5WCJMGAT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5WCJMGATFENZM6ESH54FYUMM4X \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ed84961813291b9678923f785c518ce5c878ed4faef51460ad25f596d83e4c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3bb63002ad2567b65fd712cd840607d1a3541e1ac9d648f0661248416b5e600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-04T17:25:23Z",
    "title_canon_sha256": "1b5953bad0a2dfbdb5b324e1b1ed66ae9e008cd743020a74a8905e5a9141e413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01405",
    "kind": "arxiv",
    "version": 1
  }
}