Pith Number

pith:MXJ2HUP6

pith:2014:MXJ2HUP6JOU4WPKPS6JDWE4L7Y

not attested not anchored not stored refs pending

More ties than we thought

Anders Sandberg, Dan Hirsch, Ingemar Markstr\"om, Meredith L Patterson, Mikael Vejdemo-Johansson

arxiv:1401.8242 v2 · 2014-01-31 · cs.FL · cs.CG · math.CO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXJ2HUP6JOU4WPKPS6JDWE4L7Y}

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	2026-05-18T02:16:51.368471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d3a3d1fe4ba9cb3d4f97923b138bfe21c4d2a839c7d5bac9410130b1b6762d

Aliases

arxiv: 1401.8242 · arxiv_version: 1401.8242v2 · doi: 10.48550/arxiv.1401.8242 · pith_short_12: MXJ2HUP6JOU4 · pith_short_16: MXJ2HUP6JOU4WPKP · pith_short_8: MXJ2HUP6

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/MXJ2HUP6JOU4WPKPS6JDWE4L7Y \
  | 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: 65d3a3d1fe4ba9cb3d4f97923b138bfe21c4d2a839c7d5bac9410130b1b6762d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bca896c94178bcb4a51d8abcae6e77bc8b96c8ad1bb5a4b8a0746bbd5002428",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CO",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-01-31T17:54:19Z",
    "title_canon_sha256": "1708a9d4051d73f60abbf11c5970c4da89d06a14bbda61162f2c61c6a92aa04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8242",
    "kind": "arxiv",
    "version": 2
  }
}