Pith Number

pith:JUWVMGKQ

pith:2015:JUWVMGKQZDW6VDYVH6KMYL2IKZ

not attested not anchored not stored refs pending

Testing the Kerr Nature of Black Hole Candidates using Iron Line Spectra in the CPR Framework

Cosimo Bambi, James F. Steiner, Jiachen Jiang

arxiv:1504.01970 v2 · 2015-04-08 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUWVMGKQZDW6VDYVH6KMYL2IKZ}

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	2026-05-18T01:31:29.901014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d2d561950c8edea8f153f94cc2f485670233ed288a3b03a80c5a5754cb2de80

Aliases

arxiv: 1504.01970 · arxiv_version: 1504.01970v2 · doi: 10.48550/arxiv.1504.01970 · pith_short_12: JUWVMGKQZDW6 · pith_short_16: JUWVMGKQZDW6VDYV · pith_short_8: JUWVMGKQ

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/JUWVMGKQZDW6VDYVH6KMYL2IKZ \
  | 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: 4d2d561950c8edea8f153f94cc2f485670233ed288a3b03a80c5a5754cb2de80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdaeaee11ad0d78fe206c805ff12d119df36e33061fffb5bba7f8fe9f0da1295",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-08T13:56:33Z",
    "title_canon_sha256": "6bd7f8250aefcf7219372fc4b16ef68c2124e0873eb575c947d449a6317030f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01970",
    "kind": "arxiv",
    "version": 2
  }
}