Pith Number

pith:NNAWQ4UM

pith:2010:NNAWQ4UMKGFX3HJQD4W5EZXEQ4

not attested not anchored not stored refs pending

The extreme luminosity states of Sagittarius A*

1), ((1) I.Physikalisches Institut, 2), (2) MPIfR, (3) Instituto de Astrofisica de Andalucia, A. Eckart (1, A. Zernickel (1), Bonn, C. Straubmeier (1), D. Kunneriath (1, Germany, Granada, G. Witzel (1), K. Muzic (1), M. Bremer (1), M. Garcia-Marin (1), M. Zamaninasab (2, N. Sabha (1), R. Giessuebel (2, R.M. Buchholz (1), R. Schoedel (3), Spain), University of Cologne

arxiv:1001.1351 v1 · 2010-01-08 · 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{NNAWQ4UMKGFX3HJQD4W5EZXEQ4}

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	2026-05-18T02:10:03.612619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4168728c518b7d9d301f2dd266e48707b232b2d62eaf96bad41f8249cccb30

Aliases

arxiv: 1001.1351 · arxiv_version: 1001.1351v1 · doi: 10.48550/arxiv.1001.1351 · pith_short_12: NNAWQ4UMKGFX · pith_short_16: NNAWQ4UMKGFX3HJQ · pith_short_8: NNAWQ4UM

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/NNAWQ4UMKGFX3HJQD4W5EZXEQ4 \
  | 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: 6b4168728c518b7d9d301f2dd266e48707b232b2d62eaf96bad41f8249cccb30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f2a09e7fd4b56ad2e1fcc333e45b3b7e58b37659042417b67d84fc8b43bfc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-08T22:07:20Z",
    "title_canon_sha256": "46657f794b81354002b6b32ac2aa26c16815bab5671c75506a79fcbf7c84c4c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1351",
    "kind": "arxiv",
    "version": 1
  }
}