Pith Number

pith:B7KYUOJA

pith:2014:B7KYUOJA2JAH6QCUGBSG4IXGJB

not attested not anchored not stored refs pending

An Introduction to Hodge Structures

Alan Thompson, Helge Ruddat, Sara Angela Filippini

arxiv:1412.8499 v2 · 2014-12-29 · 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{B7KYUOJA2JAH6QCUGBSG4IXGJB}

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	2026-05-18T01:32:57.663059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd58a3920d2407f405430646e22e64868692a53678ceccf735ba5b8b1c7bc12

Aliases

arxiv: 1412.8499 · arxiv_version: 1412.8499v2 · doi: 10.48550/arxiv.1412.8499 · pith_short_12: B7KYUOJA2JAH · pith_short_16: B7KYUOJA2JAH6QCU · pith_short_8: B7KYUOJA

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/B7KYUOJA2JAH6QCUGBSG4IXGJB \
  | 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: 0fd58a3920d2407f405430646e22e64868692a53678ceccf735ba5b8b1c7bc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbc7fbaf57c49a53a0b076bb1b721fcf29e6d3b8ae1cf4bc65125c463b917eeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-12-29T22:18:59Z",
    "title_canon_sha256": "52a476097479a59445235c231d2cc3bc350601c97fccde4b0dd52de8b2ff312e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8499",
    "kind": "arxiv",
    "version": 2
  }
}