Pith Number

pith:DACB7XME

pith:2018:DACB7XMEEYB622BBMRQS2N4Y6K

not attested not anchored not stored refs pending

Exact solution for Schwarzschild black hole in radiation gauge

Chunhua Jiang, Wenbin Lin

arxiv:1802.04120 v1 · 2018-02-08 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DACB7XMEEYB622BBMRQS2N4Y6K}

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	2026-05-18T00:23:46.769812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18041fdd842603ed682164612d3798f29b0f111fa638d59093f83196a9f832e7

Aliases

arxiv: 1802.04120 · arxiv_version: 1802.04120v1 · doi: 10.48550/arxiv.1802.04120 · pith_short_12: DACB7XMEEYB6 · pith_short_16: DACB7XMEEYB622BB · pith_short_8: DACB7XME

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/DACB7XMEEYB622BBMRQS2N4Y6K \
  | 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: 18041fdd842603ed682164612d3798f29b0f111fa638d59093f83196a9f832e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8219c1742149171ec4292635fdc04594cf8f33ce93b28d2308380473c2580939",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2018-02-08T03:41:46Z",
    "title_canon_sha256": "ebb15dd3ba376d796433bd3702a7fa93580a64db0381dc552e2bff61616e83ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04120",
    "kind": "arxiv",
    "version": 1
  }
}