Pith Number

pith:AQIWOFVF

pith:2009:AQIWOFVFMR7LLXRAQQMSOYK425

not attested not anchored not stored refs pending

Optimal Choices of Reference for Quasi-local Energy

Chiang-Mei Chen, James M. Nester, Jian-Liang Liu, Ming-Fan Wu

arxiv:0909.2754 v1 · 2009-09-15 · 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{AQIWOFVFMR7LLXRAQQMSOYK425}

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	2026-05-18T02:34:30.012598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04116716a5647eb5de20841927615cd741c0a8acba918954092a63c69979f8b1

Aliases

arxiv: 0909.2754 · arxiv_version: 0909.2754v1 · doi: 10.48550/arxiv.0909.2754 · pith_short_12: AQIWOFVFMR7L · pith_short_16: AQIWOFVFMR7LLXRA · pith_short_8: AQIWOFVF

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/AQIWOFVFMR7LLXRAQQMSOYK425 \
  | 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: 04116716a5647eb5de20841927615cd741c0a8acba918954092a63c69979f8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "957c4c840f87a842511baad7c91e94fea7cb5dd2dc94648d7b326a41a72a9a19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-15T09:40:16Z",
    "title_canon_sha256": "20b2d81c297dcbab6c78acedcaf43036dead2b0b309c85ad200c1b570ddba736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2754",
    "kind": "arxiv",
    "version": 1
  }
}