Pith Number

pith:IFZVLAVQ

pith:2006:IFZVLAVQMN762EGNYRMC3RUK6J

not attested not anchored not stored refs pending

Chen-Ruan Cohomology of cotangent orbifolds and Chas-Sullivan String Topology

Ana Gonz\'alez, Bernardo Uribe, Carlos Segovia, Ernesto Lupercio, Miguel A. Xicot\'encatl

arxiv:math/0610899 v1 · 2006-10-30 · math.AT · 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{IFZVLAVQMN762EGNYRMC3RUK6J}

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	2026-05-18T01:08:49.563389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41735582b0637fed10cdc4582dc68af2683b602f514bc3792990038d9caf88d0

Aliases

arxiv: math/0610899 · arxiv_version: math/0610899v1 · doi: 10.48550/arxiv.math/0610899 · pith_short_12: IFZVLAVQMN76 · pith_short_16: IFZVLAVQMN762EGN · pith_short_8: IFZVLAVQ

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/IFZVLAVQMN762EGNYRMC3RUK6J \
  | 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: 41735582b0637fed10cdc4582dc68af2683b602f514bc3792990038d9caf88d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f7a59389b72335a31dd3ac647e23f719299bb3d05bf083b2acae604a0e9c7b",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2006-10-30T05:13:01Z",
    "title_canon_sha256": "c04f5447a448b72d3ef0017d82b1d668f8fd77b74833e7e6420355a05b606783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0610899",
    "kind": "arxiv",
    "version": 1
  }
}