Pith Number

pith:MFZLHBJP

pith:2015:MFZLHBJPGSS74ISYMZPZEYZOAE

not attested not anchored not stored refs pending

Quasinormal frequencies of self-dual black holes

C. A. S. Almeida, R. V. Maluf, Victor Santos

arxiv:1509.04306 v2 · 2015-09-14 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFZLHBJPGSS74ISYMZPZEYZOAE}

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	2026-05-18T01:15:44.607125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6172b3852f34a5fe2258665f92632e01116b31e65c1ec44b784e001a367a2f76

Aliases

arxiv: 1509.04306 · arxiv_version: 1509.04306v2 · doi: 10.48550/arxiv.1509.04306 · pith_short_12: MFZLHBJPGSS7 · pith_short_16: MFZLHBJPGSS74ISY · pith_short_8: MFZLHBJP

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/MFZLHBJPGSS74ISYMZPZEYZOAE \
  | 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: 6172b3852f34a5fe2258665f92632e01116b31e65c1ec44b784e001a367a2f76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb9f8d9f89b60c1e4bb266ea622ed3d64320bbf797c8393f33a48aee570af6e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-14T20:30:10Z",
    "title_canon_sha256": "c4e3185766dc0c0110a0c14dbbc037b867d2db59830433a53e23f28c2d639f03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04306",
    "kind": "arxiv",
    "version": 2
  }
}