Pith Number

pith:7RDE4QPH

pith:2012:7RDE4QPHBFXRX6MIHFVSMMXHMZ

not attested not anchored not stored refs pending

Intersection spaces, perverse sheaves and type IIB string theory

Laurentiu Maxim, Markus Banagl, Nero Budur

arxiv:1212.2196 v1 · 2012-12-10 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RDE4QPHBFXRX6MIHFVSMMXHMZ}

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.

Cited by

2 papers in Pith

Defect Triangles and Intersection-Space Hodge Atom Shadows for Calabi--Yau Conifolds

Cycle Relations and Global Gluing in Multi-Node Conifold Degenerations

Receipt and verification

First computed	2026-05-18T01:14:18.553982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc464e41e7096f1bf988396b2632e7667f46c4a15b881e93338844c6712081b8

Aliases

arxiv: 1212.2196 · arxiv_version: 1212.2196v1 · doi: 10.48550/arxiv.1212.2196 · pith_short_12: 7RDE4QPHBFXR · pith_short_16: 7RDE4QPHBFXRX6MI · pith_short_8: 7RDE4QPH

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/7RDE4QPHBFXRX6MIHFVSMMXHMZ \
  | 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: fc464e41e7096f1bf988396b2632e7667f46c4a15b881e93338844c6712081b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac8e1ef0bc3a59fdc91ac96e3e3a96f06eacb3157b0379642cc5e07ebc49d7b3",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-12-10T20:46:19Z",
    "title_canon_sha256": "a9b107fd8beaeaf56122803395423c4195afa901724677e1a5d370711eb86aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2196",
    "kind": "arxiv",
    "version": 1
  }
}