Pith Number

pith:FMMTA2VZ

pith:2013:FMMTA2VZPDHKUTF7KB55APDQN6

not attested not anchored not stored refs pending

The Angular Broadening of the Galactic Center Pulsar SGR J1745-29: A New Constraint on the Scattering Medium

Adam Deller (ASTRON), Andreas Brunthaler (MPIfR), ASTRON, Geoffrey C. Bower (UC Berkeley), Heino Falcke (Nijmegen, K.J. Lee (MPIfR), Laura Spitler (MPIfR), Michael Kramer (MPIfR), Mpifr), Paul Demorest (NRAO), Ralph Eatough (MPIfR)

arxiv:1309.4672 v1 · 2013-09-18 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMMTA2VZPDHKUTF7KB55APDQN6}

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	2026-05-18T01:47:35.891719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b19306ab978ceaa4cbf507bd03c706f9b157e7a029ee2f352deafe165d18d7b

Aliases

arxiv: 1309.4672 · arxiv_version: 1309.4672v1 · doi: 10.48550/arxiv.1309.4672 · pith_short_12: FMMTA2VZPDHK · pith_short_16: FMMTA2VZPDHKUTF7 · pith_short_8: FMMTA2VZ

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/FMMTA2VZPDHKUTF7KB55APDQN6 \
  | 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: 2b19306ab978ceaa4cbf507bd03c706f9b157e7a029ee2f352deafe165d18d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dfbd979f50f05de877fb41ff5fff8a91676908b8ea3c309488cb81b349ca22c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-18T15:17:22Z",
    "title_canon_sha256": "bf2baa93ce54a0d1b7bd943e76da008fb40aa11a7d31326fd8b87a05e1ea0b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4672",
    "kind": "arxiv",
    "version": 1
  }
}