Pith Number

pith:NPCAQFXA

pith:2010:NPCAQFXAIE6BISVUTDEXY74FGN

not attested not anchored not stored refs pending

Specifying angular momentum and center of mass for vacuum initial data sets

Lan-Hsuan Huang, Mu-Tao Wang, Richard Schoen

arxiv:1008.4996 v3 · 2010-08-30 · math.DG · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPCAQFXAIE6BISVUTDEXY74FGN}

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	2026-05-18T02:05:41.588950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc40816e0413c144ab498c97c7f8533466e7837dc420fe55b2c921ba75baf83

Aliases

arxiv: 1008.4996 · arxiv_version: 1008.4996v3 · doi: 10.48550/arxiv.1008.4996 · pith_short_12: NPCAQFXAIE6B · pith_short_16: NPCAQFXAIE6BISVU · pith_short_8: NPCAQFXA

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/NPCAQFXAIE6BISVUTDEXY74FGN \
  | 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: 6bc40816e0413c144ab498c97c7f8533466e7837dc420fe55b2c921ba75baf83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2517d91df9977095fd81975709b0b22a78f79083cf26ac922e5d0d5cfd9a09c7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-08-30T03:39:40Z",
    "title_canon_sha256": "1a0ddfe421080bb991e44a3f2596760d55e5c16a6b748a796ddb3b682a6ad9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4996",
    "kind": "arxiv",
    "version": 3
  }
}