Pith Number

pith:OHXEOMP2

pith:2013:OHXEOMP2APDA6XAVZZQSLU27GP

not attested not anchored not stored refs pending

Arboreal Singularities

David Nadler

arxiv:1309.4122 v3 · 2013-09-16 · math.SG · math.CO · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHXEOMP2APDA6XAVZZQSLU27GP}

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	2026-05-18T00:47:53.712906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71ee4731fa03c60f5c15ce6125d35f33c3f6b5b1a47ffb3c34d134a16ef8ffb1

Aliases

arxiv: 1309.4122 · arxiv_version: 1309.4122v3 · doi: 10.48550/arxiv.1309.4122 · pith_short_12: OHXEOMP2APDA · pith_short_16: OHXEOMP2APDA6XAV · pith_short_8: OHXEOMP2

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/OHXEOMP2APDA6XAVZZQSLU27GP \
  | 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: 71ee4731fa03c60f5c15ce6125d35f33c3f6b5b1a47ffb3c34d134a16ef8ffb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ee5a307a86dda2557c0837b50388a781d2056e7eb97199afe0cb8a3f050f68",
    "cross_cats_sorted": [
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-09-16T21:15:09Z",
    "title_canon_sha256": "1fbb65d7dc1b01d03b96718d6d700175057b406c33d7af8caa34483c9277c72f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4122",
    "kind": "arxiv",
    "version": 3
  }
}