Pith Number

pith:WQVLBB2Q

pith:2006:WQVLBB2QIUG37ALJ2XOQI6WAVQ

not attested not anchored not stored refs pending

Classes de Chern des varietes singulieres, revisitees

Paolo Aluffi

arxiv:math/0601453 v1 · 2006-01-18 · 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{WQVLBB2QIUG37ALJ2XOQI6WAVQ}

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	2026-05-18T03:58:12.823650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42ab08750450dbf8169d5dd047ac0ac2d3f0f05a46f617dbd7a4e4c7aca0a07

Aliases

arxiv: math/0601453 · arxiv_version: math/0601453v1 · doi: 10.48550/arxiv.math/0601453 · pith_short_12: WQVLBB2QIUG3 · pith_short_16: WQVLBB2QIUG37ALJ · pith_short_8: WQVLBB2Q

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/WQVLBB2QIUG37ALJ2XOQI6WAVQ \
  | 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: b42ab08750450dbf8169d5dd047ac0ac2d3f0f05a46f617dbd7a4e4c7aca0a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8924608233f7621dc5a4594d5b98bbf3b3b3c9efb9f0deb57662ea90adae735e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-01-18T21:20:36Z",
    "title_canon_sha256": "a1b7fe9850a261ace2fb3ee82cc658e20393faa7e457135dea4acb7065cabe95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0601453",
    "kind": "arxiv",
    "version": 1
  }
}