Pith Number

pith:X6CG46Q5

pith:2015:X6CG46Q5MZN4JFFIBDW5FJBEYA

not attested not anchored not stored refs pending

Berkovich spaces and Deligne-Mumford compactification

Matthieu Arfeux

arxiv:1506.02552 v1 · 2015-06-08 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6CG46Q5MZN4JFFIBDW5FJBEYA}

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	2026-05-18T01:55:50.745238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf846e7a1d665bc494a808edd2a424c030ceb13fe40c7d79bfa3a4bb0cfcfd3e

Aliases

arxiv: 1506.02552 · arxiv_version: 1506.02552v1 · doi: 10.48550/arxiv.1506.02552 · pith_short_12: X6CG46Q5MZN4 · pith_short_16: X6CG46Q5MZN4JFFI · pith_short_8: X6CG46Q5

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/X6CG46Q5MZN4JFFIBDW5FJBEYA \
  | 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: bf846e7a1d665bc494a808edd2a424c030ceb13fe40c7d79bfa3a4bb0cfcfd3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8fc2d1faddfee305fc8521185882445ed1300f554ee6efbc83cb06680d2be51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-06-08T15:30:33Z",
    "title_canon_sha256": "eb4badda3a3112da284327bb954ea95cb3b51fd4f833aa74fcd3f4bbe7e1a586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02552",
    "kind": "arxiv",
    "version": 1
  }
}