Pith Number

pith:ZH3CM4Z7

pith:2013:ZH3CM4Z7WRH5OFT6NLMNDNYJSW

not attested not anchored not stored refs pending

E_1-degeneration of the irregular Hodge filtration (with an appendix by Morihiko Saito)

Claude Sabbah, H\'el\`ene Esnault, Jeng-Daw Yu

arxiv:1302.4537 v4 · 2013-02-19 · 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{ZH3CM4Z7WRH5OFT6NLMNDNYJSW}

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	2026-05-18T00:31:29.230000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f626733fb44fd7167e6ad8d1b70995b04bdbcad09c327635acf14de90336f8

Aliases

arxiv: 1302.4537 · arxiv_version: 1302.4537v4 · doi: 10.48550/arxiv.1302.4537 · pith_short_12: ZH3CM4Z7WRH5 · pith_short_16: ZH3CM4Z7WRH5OFT6 · pith_short_8: ZH3CM4Z7

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/ZH3CM4Z7WRH5OFT6NLMNDNYJSW \
  | 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: c9f626733fb44fd7167e6ad8d1b70995b04bdbcad09c327635acf14de90336f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d724d41eac3beb0d88ce9fe5b8d52b80c8c8b9a81ec88005e5c4c2af7b6ad9a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-19T08:08:42Z",
    "title_canon_sha256": "bf30d88db84f0f6fc4b73a3ee286a0ff6100277e72f943632d88cb76784b1840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4537",
    "kind": "arxiv",
    "version": 4
  }
}