Pith Number

pith:ERKUKXOB

pith:2014:ERKUKXOBBPVRDIPEP5IO52MROU

not attested not anchored not stored refs pending

Signed arc permutations

Sergi Elizalde, Yuval Roichman

arxiv:1402.0211 v2 · 2014-02-02 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERKUKXOBBPVRDIPEP5IO52MROU}

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	2026-05-18T02:42:39.431156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2455455dc10beb11a1e47f50eee991751a9cfbd00e5bab33093db4178a3c4d4d

Aliases

arxiv: 1402.0211 · arxiv_version: 1402.0211v2 · doi: 10.48550/arxiv.1402.0211 · pith_short_12: ERKUKXOBBPVR · pith_short_16: ERKUKXOBBPVRDIPE · pith_short_8: ERKUKXOB

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/ERKUKXOBBPVRDIPEP5IO52MROU \
  | 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: 2455455dc10beb11a1e47f50eee991751a9cfbd00e5bab33093db4178a3c4d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d511399b0494d3365c460b13175011507bf85d63a08c17c83534e06e6e2c52d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-02T16:49:53Z",
    "title_canon_sha256": "43258d633261daaee4b7639a57c3da463a7c8c56ef53933a449374f6940a7fab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0211",
    "kind": "arxiv",
    "version": 2
  }
}