Pith Number

pith:QJGG3HRN

pith:2023:QJGG3HRNRW7UNRPEKHZLEMO56K

not attested not anchored not stored refs pending

Modeling the black holes surrounded by a dark matter halo in the galactic center of M87

Dong Liu, Yi Yang, Zhaoyi Xu, Zheng-Wen Long

arxiv:2307.13553 v3 · 2023-07-25 · 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{QJGG3HRNRW7UNRPEKHZLEMO56K}

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.

Cited by

2 papers in Pith

Observational Limits on Einasto Dark Matter Parameters from Event Horizon Telescope Images of Sgr A$^{*}$ and M87$^{*}$

Strong-field signatures of a regular black hole in an Einasto dark matter halo

Receipt and verification

First computed	2026-07-05T07:42:41.057126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

824c6d9e2d8dbf46c5e451f2b231ddf2bd56e0dde2e7dc554e74d774b75acf0c

Aliases

arxiv: 2307.13553 · arxiv_version: 2307.13553v3 · doi: 10.48550/arxiv.2307.13553 · pith_short_12: QJGG3HRNRW7U · pith_short_16: QJGG3HRNRW7UNRPE · pith_short_8: QJGG3HRN

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/QJGG3HRNRW7UNRPEKHZLEMO56K \
  | 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: 824c6d9e2d8dbf46c5e451f2b231ddf2bd56e0dde2e7dc554e74d774b75acf0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978d790150037060dfa7f9a65259cd5a75ac6ad9dddb8a5583c336138c06887b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-07-25T14:54:26Z",
    "title_canon_sha256": "bacbfda03c0145b2f04d7ada99104c781eaf8147ed4d644c67d5cb8dc5fd7d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.13553",
    "kind": "arxiv",
    "version": 3
  }
}