Pith Number

pith:RA2G4JGA

pith:2018:RA2G4JGAYZ4RWYQW5EOAVKOW55

not attested not anchored not stored refs pending

Gravitational collapse of thin shell of dust in shape dynamics

Furkan Semih D\"undar, Metin Arik, Zahra Mirzaiyan

arxiv:1804.02902 v1 · 2018-04-09 · 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{RA2G4JGAYZ4RWYQW5EOAVKOW55}

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	2026-05-18T00:18:57.990992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88346e24c0c6791b6216e91c0aa9d6ef5d644c075ad2fc83980ed04ce46a2269

Aliases

arxiv: 1804.02902 · arxiv_version: 1804.02902v1 · doi: 10.48550/arxiv.1804.02902 · pith_short_12: RA2G4JGAYZ4R · pith_short_16: RA2G4JGAYZ4RWYQW · pith_short_8: RA2G4JGA

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/RA2G4JGAYZ4RWYQW5EOAVKOW55 \
  | 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: 88346e24c0c6791b6216e91c0aa9d6ef5d644c075ad2fc83980ed04ce46a2269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39224584a076a0b8e7923ee28b9fc2b68e9b8394b1f35c0bcf08503c5dbd8de0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-09T10:39:22Z",
    "title_canon_sha256": "ce486473e0deeb5b4c2549a9dbf97f71f453d86f5e2c9b1526348d6871008566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02902",
    "kind": "arxiv",
    "version": 1
  }
}