Pith Number

pith:BJCF4NKG

pith:2012:BJCF4NKGIJZ3WXDZJSRIHSTDZX

not attested not anchored not stored refs pending

On the convergence of the Escalator Boxcar Train

{\AA}ke Br\"annstr\"om, Daniel Simpson, Linus Carlsson

arxiv:1210.1444 v1 · 2012-10-04 · math.NA · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJCF4NKGIJZ3WXDZJSRIHSTDZX}

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	2026-05-18T03:44:03.529966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a445e35464273bb5c794ca283ca63cddf5f3609a5d2492c07553f0d2c725880

Aliases

arxiv: 1210.1444 · arxiv_version: 1210.1444v1 · doi: 10.48550/arxiv.1210.1444 · pith_short_12: BJCF4NKGIJZ3 · pith_short_16: BJCF4NKGIJZ3WXDZ · pith_short_8: BJCF4NKG

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/BJCF4NKGIJZ3WXDZJSRIHSTDZX \
  | 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: 0a445e35464273bb5c794ca283ca63cddf5f3609a5d2492c07553f0d2c725880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "755be05d43a94c157e18fa20c1d5784108f94274ea5519f38e7625250a8ccf1c",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-10-04T13:58:41Z",
    "title_canon_sha256": "25d709ec3d08da101f1786683d13732362a2af752854a64559b12e62f3c26cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1444",
    "kind": "arxiv",
    "version": 1
  }
}