Pith Number

pith:CBG5EFE7

pith:2010:CBG5EFE7B6263OQZEEUYJOHOWC

not attested not anchored not stored refs pending

Discovery of a superluminal Fe K echo at the Galactic Center: The glorious past of Sgr A* preserved by molecular clouds

2), (2) University of Southampton, 3), 3) ((1) Laboratoire APC, (3) CNRS-CEA/Saclay, (4) ESA Madrid), Andrea Goldwurm (1, Gabriele Ponti (1, Guillaume Belanger (4), Guillaume Trap (1, Paris, Regis Terrier (1)

arxiv:1003.2001 v1 · 2010-03-10 · astro-ph.HE · 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{CBG5EFE7B6263OQZEEUYJOHOWC}

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	2026-05-18T02:08:35.714263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

104dd2149f0fb5edba19212984b8eeb0a2d77c9b013d6dc61c0adf04ebfd7e74

Aliases

arxiv: 1003.2001 · arxiv_version: 1003.2001v1 · doi: 10.48550/arxiv.1003.2001 · pith_short_12: CBG5EFE7B626 · pith_short_16: CBG5EFE7B6263OQZ · pith_short_8: CBG5EFE7

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/CBG5EFE7B6263OQZEEUYJOHOWC \
  | 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: 104dd2149f0fb5edba19212984b8eeb0a2d77c9b013d6dc61c0adf04ebfd7e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da83047cc8f6053c5562dc152d8ede1acfe4ae8e14e8822b8db1c2811a941202",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-03-10T00:35:11Z",
    "title_canon_sha256": "0b96dba021e9e2ab5388ae53011f9d7e574452937dd044f5ecb08e2ba93c5fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2001",
    "kind": "arxiv",
    "version": 1
  }
}