Pith Number

pith:W2J7UDQL

pith:2017:W2J7UDQLOPGK6C7WR3EGOVLAYD

not attested not anchored not stored refs pending

No-hair theorems for a static and stationary reflecting star

Srijit Bhattacharjee, Sudipta Sarkar

arxiv:1704.02873 v2 · 2017-04-04 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2J7UDQLOPGK6C7WR3EGOVLAYD}

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	2026-05-18T00:45:38.570918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b693fa0e0b73ccaf0bf68ec8675560c0e9319cbd0f77d657958124fe0fd2413c

Aliases

arxiv: 1704.02873 · arxiv_version: 1704.02873v2 · doi: 10.48550/arxiv.1704.02873 · pith_short_12: W2J7UDQLOPGK · pith_short_16: W2J7UDQLOPGK6C7W · pith_short_8: W2J7UDQL

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/W2J7UDQLOPGK6C7WR3EGOVLAYD \
  | 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: b693fa0e0b73ccaf0bf68ec8675560c0e9319cbd0f77d657958124fe0fd2413c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96371b2d31e3afa2d5ea2d3d760a425045128a67e7429f17e1ca550bc758f7b9",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-04T18:40:37Z",
    "title_canon_sha256": "db3403882e2b136af7d4e63598f6cb97c356001bb271e43c30c54f86a2c4e397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02873",
    "kind": "arxiv",
    "version": 2
  }
}