Pith Number

pith:IDXYKIYQ

pith:2011:IDXYKIYQM3LIEWECQ4U6AU34F7

not attested not anchored not stored refs pending

Chern classes of graph hypersurfaces and deletion-contraction

Paolo Aluffi

arxiv:1106.1447 v1 · 2011-06-07 · math.AG · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDXYKIYQM3LIEWECQ4U6AU34F7}

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	2026-05-18T03:32:08.121458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40ef85231066d68258828729e0537c2fec9d2bfc6be71a08dadc8e9a8f5c19a0

Aliases

arxiv: 1106.1447 · arxiv_version: 1106.1447v1 · doi: 10.48550/arxiv.1106.1447 · pith_short_12: IDXYKIYQM3LI · pith_short_16: IDXYKIYQM3LIEWEC · pith_short_8: IDXYKIYQ

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/IDXYKIYQM3LIEWECQ4U6AU34F7 \
  | 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: 40ef85231066d68258828729e0537c2fec9d2bfc6be71a08dadc8e9a8f5c19a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea1e6606cdfe85a4d8fcf0999cea6ffbca6aa2ac397d14f1ff71dddb4d72f4e4",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-06-07T20:16:30Z",
    "title_canon_sha256": "4c324cd00fe461afff730865dfef14501e052cfabd9187a7158a2525d3e2cb1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1447",
    "kind": "arxiv",
    "version": 1
  }
}