Pith Number

pith:57VN3OBW

pith:2018:57VN3OBWDYXWFBXP2O723EECBK

not attested not anchored not stored refs pending

A Retrieval Framework and Implementation for Electronic Documents with Similar Layouts

Hyunji Chung

arxiv:1810.07237 v1 · 2018-10-16 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57VN3OBWDYXWFBXP2O723EECBK}

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	2026-05-18T00:02:59.099872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efeaddb8361e2f6286efd3bfad90820aa61a5bb5e96599968f90ec4a0626ec88

Aliases

arxiv: 1810.07237 · arxiv_version: 1810.07237v1 · doi: 10.48550/arxiv.1810.07237 · pith_short_12: 57VN3OBWDYXW · pith_short_16: 57VN3OBWDYXWFBXP · pith_short_8: 57VN3OBW

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/57VN3OBWDYXWFBXP2O723EECBK \
  | 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: efeaddb8361e2f6286efd3bfad90820aa61a5bb5e96599968f90ec4a0626ec88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c585b3fec28981b4259f0b6e7a09b3e338984cbc3c35092600cedd05b70e7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-10-16T19:10:50Z",
    "title_canon_sha256": "7eaef86510e8e1cc923d8161182f46b1460d10f29713e0ff2187b69494d9c512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07237",
    "kind": "arxiv",
    "version": 1
  }
}