Pith Number

pith:ODUPFM2Z

pith:2007:ODUPFM2ZNQFNB5Y3M36RRETY6L

not attested not anchored not stored refs pending

Chern class identities from tadpole matching in type IIB and F-theory

Mboyo Esole (KU Leuven), Paolo Aluffi (FSU)

arxiv:0710.2544 v2 · 2007-10-12 · hep-th · 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{ODUPFM2ZNQFNB5Y3M36RRETY6L}

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	2026-05-18T03:58:14.397202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70e8f2b3596c0ad0f71b66fd189278f2f9fe9a610dd0de302bdbf85b0a572169

Aliases

arxiv: 0710.2544 · arxiv_version: 0710.2544v2 · doi: 10.48550/arxiv.0710.2544 · pith_short_12: ODUPFM2ZNQFN · pith_short_16: ODUPFM2ZNQFNB5Y3 · pith_short_8: ODUPFM2Z

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/ODUPFM2ZNQFNB5Y3M36RRETY6L \
  | 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: 70e8f2b3596c0ad0f71b66fd189278f2f9fe9a610dd0de302bdbf85b0a572169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49461fcec55825cddacf1729312e0a9e8367ebff2a1ae18feb28892b177a6cc0",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-10-12T20:52:57Z",
    "title_canon_sha256": "8df4f5a2fa77d1d2e024b45fba0fb5da976cfc0acef400bf466ebb5b298c0109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.2544",
    "kind": "arxiv",
    "version": 2
  }
}