Pith Number

pith:XH36BVDQ

pith:2015:XH36BVDQWOJZ5WRIX5GHFRL456

not attested not anchored not stored refs pending

ATLsc with partial observation

Arnaud Sangnier (LIAFA, CNRS, ENS Cachan, Fran\c{c}ois Laroussinie (LIAFA, France), Nicolas Markey (LSV, Univ. Paris Diderot

arxiv:1509.07208 v1 · 2015-09-24 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XH36BVDQWOJZ5WRIX5GHFRL456}

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	2026-05-18T01:32:09.573364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f7e0d470b3939eda28bf4c72c57cefb466dfcfedfa3c22949ef1baa9fa02dc

Aliases

arxiv: 1509.07208 · arxiv_version: 1509.07208v1 · doi: 10.48550/arxiv.1509.07208 · pith_short_12: XH36BVDQWOJZ · pith_short_16: XH36BVDQWOJZ5WRI · pith_short_8: XH36BVDQ

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/XH36BVDQWOJZ5WRIX5GHFRL456 \
  | 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: b9f7e0d470b3939eda28bf4c72c57cefb466dfcfedfa3c22949ef1baa9fa02dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dac8b799fe8754463ae3a4a15320ef85f5853437e9fe94e3b268f75af8d2e1b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-09-24T01:53:57Z",
    "title_canon_sha256": "dd7acca41b1a6ab4a9adf92028af567fd3eadbe8dec1a55fbf06ebe8d8864265"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07208",
    "kind": "arxiv",
    "version": 1
  }
}