Pith Number

pith:ZDK2GWPA

pith:2012:ZDK2GWPAFHMNLUYKRVCAR3HU37

not attested not anchored not stored refs pending

Black Hole Evaporation in a Noncommutative Charged Vaidya Model

M. Sharif, Wajiha Javed

arxiv:1201.3171 v1 · 2012-01-16 · 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{ZDK2GWPAFHMNLUYKRVCAR3HU37}

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	2026-05-18T01:58:48.969605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d5a359e029d8d5d30a8d4408ecf4dfed33078e470db936efeb4424ad52e09e

Aliases

arxiv: 1201.3171 · arxiv_version: 1201.3171v1 · doi: 10.48550/arxiv.1201.3171 · pith_short_12: ZDK2GWPAFHMN · pith_short_16: ZDK2GWPAFHMNLUYK · pith_short_8: ZDK2GWPA

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/ZDK2GWPAFHMNLUYKRVCAR3HU37 \
  | 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: c8d5a359e029d8d5d30a8d4408ecf4dfed33078e470db936efeb4424ad52e09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d171919f8ba962f3d7cac3437edb0b8402fb9a809bcd6c81d3905f7c904a32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-16T07:56:23Z",
    "title_canon_sha256": "e777d5b7b4ddb99f5566f7f99ea33445b22d00ed073cca2fb021e71f3af1f4a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3171",
    "kind": "arxiv",
    "version": 1
  }
}