Pith Number

pith:NC2JQ2TO

pith:2013:NC2JQ2TOJGDDPFPWDNVMUCD2WW

not attested not anchored not stored refs pending

Quasi-static evolution and congested crowd transport

Damon Alexander, Inwon Kim, Yao Yao

arxiv:1304.3072 v1 · 2013-04-10 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NC2JQ2TOJGDDPFPWDNVMUCD2WW}

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	2026-05-18T01:50:40.230103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b4986a6e49863795f61b6aca087ab5a59efaa51ba9e984e93be3bcdaa95c59

Aliases

arxiv: 1304.3072 · arxiv_version: 1304.3072v1 · doi: 10.48550/arxiv.1304.3072 · pith_short_12: NC2JQ2TOJGDD · pith_short_16: NC2JQ2TOJGDDPFPW · pith_short_8: NC2JQ2TO

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/NC2JQ2TOJGDDPFPWDNVMUCD2WW \
  | 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: 68b4986a6e49863795f61b6aca087ab5a59efaa51ba9e984e93be3bcdaa95c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c122b2d5bb3fd2b5ef8acb1033f20964c4c53d081c3a6c20f6727b259d12ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-10T19:55:03Z",
    "title_canon_sha256": "68a24fd1a8afc695141c0f874c9045142a0be0b7326dfd914b58ee649b5bfe82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3072",
    "kind": "arxiv",
    "version": 1
  }
}