Pith Number

pith:7LDO4DIA

pith:2012:7LDO4DIA6KEPWBM5IVAUK2UATU

not attested not anchored not stored refs pending

Verifying Search Results Over Web Collections

Charalampos Papamanthou, Cristina Videira Lopes, Duy Nguyen, Michael T. Goodrich, Nikos Triandopoulos, Olga Ohrimenko, Roberto Tamassia

arxiv:1204.5446 v2 · 2012-04-24 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LDO4DIA6KEPWBM5IVAUK2UATU}

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	2026-05-18T03:38:14.211887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac6ee0d00f288fb059d4541456a809d02efc08ce11319874ab2a923727eafc7

Aliases

arxiv: 1204.5446 · arxiv_version: 1204.5446v2 · doi: 10.48550/arxiv.1204.5446 · pith_short_12: 7LDO4DIA6KEP · pith_short_16: 7LDO4DIA6KEPWBM5 · pith_short_8: 7LDO4DIA

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/7LDO4DIA6KEPWBM5IVAUK2UATU \
  | 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: fac6ee0d00f288fb059d4541456a809d02efc08ce11319874ab2a923727eafc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411205088f43f34509df79770ba992ba9f15185cfcb830a6919ab130770f5ad0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-04-24T17:47:27Z",
    "title_canon_sha256": "56b31b7062e43a2b48d3a34daa3bcdecb2ea3031c77b697d4129ade3d07aefde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5446",
    "kind": "arxiv",
    "version": 2
  }
}