Pith Number

pith:CAHBYO2S

pith:2025:CAHBYO2SSXIK3QRUX5ZOVX5WPE

not attested not anchored not stored refs pending

Tidal phenomena in the Galactic Center: The curious case of X7

Andrea M. Ghez, Anna Ciurlo, Diego Calder\'on, Jorge Cuadra, Mark R. Morris, Randall D. Campbell, Stephan Rosswog, Wasif Shaqil

arxiv:2504.15337 v2 · 2025-04-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAHBYO2SSXIK3QRUX5ZOVX5WPE}

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	2026-07-05T11:52:47.754198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

100e1c3b5295d0adc234bf72eadfb67918747bbe3bbec3413f52e13b151d7e5c

Aliases

arxiv: 2504.15337 · arxiv_version: 2504.15337v2 · doi: 10.48550/arxiv.2504.15337 · pith_short_12: CAHBYO2SSXIK · pith_short_16: CAHBYO2SSXIK3QRU · pith_short_8: CAHBYO2S

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/CAHBYO2SSXIK3QRUX5ZOVX5WPE \
  | 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: 100e1c3b5295d0adc234bf72eadfb67918747bbe3bbec3413f52e13b151d7e5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e1298cc9668f391a15732d81794ceb2daa8f6599b2c596ce7acba1d838e451",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-21T18:00:01Z",
    "title_canon_sha256": "d171bd789ee4e3b44ebf0095516c0482f468c4b49c4df24fef67f4c69b89b376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15337",
    "kind": "arxiv",
    "version": 2
  }
}