Pith Number

pith:CPDDF54V

pith:2010:CPDDF54VPH4KKD7HGKZGMOL33R

not attested not anchored not stored refs pending

Analysis of $CP^{N-1}$ sigma models via projective structure

A. M. Grundland, S. Post

arxiv:1010.2183 v1 · 2010-10-11 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPDDF54VPH4KKD7HGKZGMOL33R}

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	2026-05-18T04:39:29.487173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13c632f79579f8a50fe732b266397bdc4a442dad8bffcd9442ad4822c636c206

Aliases

arxiv: 1010.2183 · arxiv_version: 1010.2183v1 · doi: 10.48550/arxiv.1010.2183 · pith_short_12: CPDDF54VPH4K · pith_short_16: CPDDF54VPH4KKD7H · pith_short_8: CPDDF54V

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/CPDDF54VPH4KKD7HGKZGMOL33R \
  | 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: 13c632f79579f8a50fe732b266397bdc4a442dad8bffcd9442ad4822c636c206

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5c593ee182da40ed0c9718dbcb3f5dec2759b378a019bb23e11ff5c1cb8d401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-10-11T18:48:38Z",
    "title_canon_sha256": "c66d2e0adf345bf1e749b1a07b0fe7454cbcf6ac299f00642556a0b9cddd57f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2183",
    "kind": "arxiv",
    "version": 1
  }
}