Pith Number

pith:C6UJ4AV2

pith:2010:C6UJ4AV2LGPLXAMY7IRIQEQA5S

not attested not anchored not stored refs pending

The two states of Sgr A* in the near-infrared: bright episodic flares on top of low-level continuous variability

A. Goldwurm, D. Porquet, F. Eisenhauer, F. Yusef-Zadeh, G. Bower, G. Trap, H. Bartko, K. Dodds-Eden, O. Pfuhl, R. Genzel, S. Gillessen, S. Trippe, T. K. Fritz, T. Ott

arxiv:1008.1984 v2 · 2010-08-11 · 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{C6UJ4AV2LGPLXAMY7IRIQEQA5S}

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	2026-05-18T02:05:49.258179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a89e02ba599ebb8198fa22881200ecacc2dfabb2925d3dca347f6088ec75bb

Aliases

arxiv: 1008.1984 · arxiv_version: 1008.1984v2 · doi: 10.48550/arxiv.1008.1984 · pith_short_12: C6UJ4AV2LGPL · pith_short_16: C6UJ4AV2LGPLXAMY · pith_short_8: C6UJ4AV2

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/C6UJ4AV2LGPLXAMY7IRIQEQA5S \
  | 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: 17a89e02ba599ebb8198fa22881200ecacc2dfabb2925d3dca347f6088ec75bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d24c089e62f5b1796b6199054cd932e3692f0a5d60c47bb203bab771cf7e5b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-11T20:01:45Z",
    "title_canon_sha256": "1cf1cde5d31471cad88c17789f1e6d8da754257bb6b7b21af146e4fcf0d8eb83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1984",
    "kind": "arxiv",
    "version": 2
  }
}