Pith Number

pith:XGQTLP4K

pith:2024:XGQTLP4KFXBXB5I75GYTZ3MQ6L

not attested not anchored not stored refs pending

Testing EGB gravity coupled to bumblebee field and black hole parameter estimation with EHT observations

Anzhong Wang, Misba Afrin, Sushant G. Ghosh

arxiv:2409.06218 v1 · 2024-09-10 · gr-qc · astro-ph.GA · 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{XGQTLP4KFXBXB5I75GYTZ3MQ6L}

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	2026-07-05T09:05:21.062939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a135bf8a2dc370f51fe9b13ced90f2f56bad3efeb7cc38136cb109a5e0ba03

Aliases

arxiv: 2409.06218 · arxiv_version: 2409.06218v1 · doi: 10.48550/arxiv.2409.06218 · pith_short_12: XGQTLP4KFXBX · pith_short_16: XGQTLP4KFXBXB5I7 · pith_short_8: XGQTLP4K

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/XGQTLP4KFXBXB5I75GYTZ3MQ6L \
  | 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: b9a135bf8a2dc370f51fe9b13ced90f2f56bad3efeb7cc38136cb109a5e0ba03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8b779f894713ce8f74a1869258f5acd3a43f9dedf210ff7b59d23094e559aaa",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-09-10T05:03:17Z",
    "title_canon_sha256": "c62754c9f864e7cf23e35c40c3bc66880dd91131fe923c754545265610418aa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.06218",
    "kind": "arxiv",
    "version": 1
  }
}