Pith Number

pith:F5NLTQ4U

pith:2008:F5NLTQ4UCUP7NGWGN2VAVSAMYA

not attested not anchored not stored refs pending

Surfaces obtained from CP^(N-1) sigma models

A. M. Grundland, I. Yurdusen

arxiv:0802.1077 v3 · 2008-02-08 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5NLTQ4UCUP7NGWGN2VAVSAMYA}

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	2026-05-18T02:16:01.218957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5ab9c394151ff69ac66eaa0ac80cc027b63fd7bcf8a14c12f84bc4a12a1ab7

Aliases

arxiv: 0802.1077 · arxiv_version: 0802.1077v3 · doi: 10.48550/arxiv.0802.1077 · pith_short_12: F5NLTQ4UCUP7 · pith_short_16: F5NLTQ4UCUP7NGWG · pith_short_8: F5NLTQ4U

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/F5NLTQ4UCUP7NGWGN2VAVSAMYA \
  | 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: 2f5ab9c394151ff69ac66eaa0ac80cc027b63fd7bcf8a14c12f84bc4a12a1ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b56b7b626aa519cf1ab4afb6f78938c46475b34b8a994e6b16e0f16243bbd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-02-08T00:01:18Z",
    "title_canon_sha256": "08118a4dfa31d9d0baa204d8c349fad7ad04656dbd0efc5f5db378d11014d4bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1077",
    "kind": "arxiv",
    "version": 3
  }
}