Pith Number

pith:2MWVH7NF

pith:2019:2MWVH7NFOSSDFXWFJTYTQGZFNN

not attested not anchored not stored refs pending

D-bound and Bekenstein Bound for the Surrounded Vaidya Black Hole

F. Darabi, H. Hadi, K. Atazadeh, Y. Heydarzade

arxiv:1903.05119 v4 · 2019-03-12 · 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{2MWVH7NFOSSDFXWFJTYTQGZFNN}

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	2026-07-05T02:01:09.064363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d32d53fda574a432dec54cf1381b256b691187a92f36d0ee3472e5f4ff5c69a8

Aliases

arxiv: 1903.05119 · arxiv_version: 1903.05119v4 · doi: 10.48550/arxiv.1903.05119 · pith_short_12: 2MWVH7NFOSSD · pith_short_16: 2MWVH7NFOSSDFXWF · pith_short_8: 2MWVH7NF

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/2MWVH7NFOSSDFXWFJTYTQGZFNN \
  | 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: d32d53fda574a432dec54cf1381b256b691187a92f36d0ee3472e5f4ff5c69a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6d808e713ca4615482a681d3e6137d3e78c2ad09e4b405ebec7afd5225af98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-12T18:05:57Z",
    "title_canon_sha256": "4912a0bc5e18140fd0266932a647aa837a7603e4926575903438e74edf6e5c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05119",
    "kind": "arxiv",
    "version": 4
  }
}