Pith Number

pith:63UTFLDW

pith:2014:63UTFLDWJQ4JXUMRCZQYPLDBDE

not attested not anchored not stored refs pending

Extremal degenerations of polarized Hodge structures

Colleen Robles, Mark Green, Phillip Griffiths

arxiv:1403.0646 v2 · 2014-03-04 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63UTFLDWJQ4JXUMRCZQYPLDBDE}

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	2026-05-18T02:52:55.663038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e932ac764c389bd191166187ac61192b093bac5d0fc7b1e95ce6b702c58b37

Aliases

arxiv: 1403.0646 · arxiv_version: 1403.0646v2 · doi: 10.48550/arxiv.1403.0646 · pith_short_12: 63UTFLDWJQ4J · pith_short_16: 63UTFLDWJQ4JXUMR · pith_short_8: 63UTFLDW

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/63UTFLDWJQ4JXUMRCZQYPLDBDE \
  | 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: f6e932ac764c389bd191166187ac61192b093bac5d0fc7b1e95ce6b702c58b37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86bec23b3b1a0c3092530201c2b40ec89caeebfa59d654447af3058563334699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-03-04T00:56:35Z",
    "title_canon_sha256": "6b8edb89992f8c64db73834683a0056c72c66e53f2faabab470eb5bd990362e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0646",
    "kind": "arxiv",
    "version": 2
  }
}