Pith Number

pith:ENSAP2BH

pith:2012:ENSAP2BHFPXOW47XJNSQGKF5EC

not attested not anchored not stored refs pending

On the arithmetic Chern character

C. Soule (IHES), H. Gillet

arxiv:1201.4968 v1 · 2012-01-24 · 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{ENSAP2BHFPXOW47XJNSQGKF5EC}

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	2026-05-18T04:03:56.574924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

236407e8272beeeb73f74b650328bd20961f3f3553a5a732b9e8002740a7c8c6

Aliases

arxiv: 1201.4968 · arxiv_version: 1201.4968v1 · doi: 10.48550/arxiv.1201.4968 · pith_short_12: ENSAP2BHFPXO · pith_short_16: ENSAP2BHFPXOW47X · pith_short_8: ENSAP2BH

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/ENSAP2BHFPXOW47XJNSQGKF5EC \
  | 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: 236407e8272beeeb73f74b650328bd20961f3f3553a5a732b9e8002740a7c8c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c586bb3f18de643fa11c3de0a4935c9fecb3495279deb272a0660cd6a2e46a3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-01-24T13:11:18Z",
    "title_canon_sha256": "a1659a6f92d0ed29350c64adada4e1b91d972c0a2e4bbd08028310a866bd393a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4968",
    "kind": "arxiv",
    "version": 1
  }
}