Pith Number

pith:G7QWNMUO

pith:2013:G7QWNMUO2RR4NGF34DGVNR2WCY

not attested not anchored not stored refs pending

On Square Metrics of Scalar Flag Curvature

Guojun Yang, Zhongmin Shen

arxiv:1302.3156 v1 · 2013-02-13 · 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{G7QWNMUO2RR4NGF34DGVNR2WCY}

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	2026-05-18T03:33:48.542973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e166b28ed463c698bbe0cd56c75616081feb01c45ceb7e5fa975f4e2b923cb

Aliases

arxiv: 1302.3156 · arxiv_version: 1302.3156v1 · doi: 10.48550/arxiv.1302.3156 · pith_short_12: G7QWNMUO2RR4 · pith_short_16: G7QWNMUO2RR4NGF3 · pith_short_8: G7QWNMUO

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/G7QWNMUO2RR4NGF34DGVNR2WCY \
  | 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: 37e166b28ed463c698bbe0cd56c75616081feb01c45ceb7e5fa975f4e2b923cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f04326d1562796ad845dfb0c0cb054e3f4bed93dcdbb4b830a548032265b59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-13T16:27:47Z",
    "title_canon_sha256": "688cb95c17d77572121111d35cb823e33d84781a984cc44d91203f3a402a6058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3156",
    "kind": "arxiv",
    "version": 1
  }
}