Pith Number

pith:4MS5TE47

pith:2012:4MS5TE47RE32GFCWJA4DVYBFD4

not attested not anchored not stored refs pending

A reference for the covariant Hamiltonian boundary term

Chiang-Mei Chen, Gang Sun, James M. Nester, Jian-Liang Liu

arxiv:1210.6148 v1 · 2012-10-23 · 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{4MS5TE47RE32GFCWJA4DVYBFD4}

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	2026-05-18T03:42:33.092158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e325d9939f8937a3145648383ae0251f20ba762e9270f179522475e0402868d7

Aliases

arxiv: 1210.6148 · arxiv_version: 1210.6148v1 · doi: 10.48550/arxiv.1210.6148 · pith_short_12: 4MS5TE47RE32 · pith_short_16: 4MS5TE47RE32GFCW · pith_short_8: 4MS5TE47

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/4MS5TE47RE32GFCWJA4DVYBFD4 \
  | 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: e325d9939f8937a3145648383ae0251f20ba762e9270f179522475e0402868d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8e8a09e997947d220e01fce9c772b5e16c11dc6bac348e3782454e52170a41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-10-23T07:18:27Z",
    "title_canon_sha256": "a5797ec75ded6216b551610bac49c44b8b57e1e9ac7817ec731ed4a5e6a73fcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6148",
    "kind": "arxiv",
    "version": 1
  }
}