Pith Number

pith:FB7MFLUN

pith:2013:FB7MFLUNUSB7TH7N3BNFHEXLQ3

not attested not anchored not stored refs pending

Characterness: An Indicator of Text in the Wild

Anton van den Hengel, Chunhua Shen, Wenjing Jia, Yao Li

arxiv:1309.6691 v1 · 2013-09-25 · 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{FB7MFLUNUSB7TH7N3BNFHEXLQ3}

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	2026-05-18T03:12:10.852202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

287ec2ae8da483f99fedd85a5392eb86c9fa778157e6d3f7b30f2c7c4d7ae526

Aliases

arxiv: 1309.6691 · arxiv_version: 1309.6691v1 · doi: 10.48550/arxiv.1309.6691 · pith_short_12: FB7MFLUNUSB7 · pith_short_16: FB7MFLUNUSB7TH7N · pith_short_8: FB7MFLUN

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/FB7MFLUNUSB7TH7N3BNFHEXLQ3 \
  | 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: 287ec2ae8da483f99fedd85a5392eb86c9fa778157e6d3f7b30f2c7c4d7ae526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c47a030df0be1b5db2b82f8b08636933dd338b236b2dcd358c09b05fbd7fd669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-09-25T23:30:18Z",
    "title_canon_sha256": "2efae672c91b7ec499b346d155a49586bd2dc1dd4c6b9cf4bb731bc86c332eaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6691",
    "kind": "arxiv",
    "version": 1
  }
}