Pith Number

pith:S5XPQACF

pith:2018:S5XPQACFQOXPOCQIENHW4RJMEA

not attested not anchored not stored refs pending

Towards a classification of planar maps

Alexandre Diet, Marc Barthelemy

arxiv:1809.08148 v1 · 2018-09-21 · cond-mat.stat-mech · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5XPQACFQOXPOCQIENHW4RJMEA}

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	2026-05-17T23:58:37.594175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

976ef8004583aef70a08234f6e452c2022da73688bda2e14979db789c6d53194

Aliases

arxiv: 1809.08148 · arxiv_version: 1809.08148v1 · doi: 10.48550/arxiv.1809.08148 · pith_short_12: S5XPQACFQOXP · pith_short_16: S5XPQACFQOXPOCQI · pith_short_8: S5XPQACF

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/S5XPQACFQOXPOCQIENHW4RJMEA \
  | 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: 976ef8004583aef70a08234f6e452c2022da73688bda2e14979db789c6d53194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d7311275afc76242e79d17d3d94b2ecff6f49da28b3dfa193913bfabd44797",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2018-09-21T14:38:06Z",
    "title_canon_sha256": "35575a865970e0703ddfb94ec6b3aeb03f6b279f60750d46dba5fffcf8b2f9c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08148",
    "kind": "arxiv",
    "version": 1
  }
}