Pith Number

pith:QLYIN2A5

pith:2013:QLYIN2A5LPRYCRZYETI3S7CLQW

not attested not anchored not stored refs pending

Radio light curves during the passage of cloud G2 near Sgr A*

A. Sadowski, D. Abarca, F. Ozel, L. Sironi, R. Narayan, X. Guo

arxiv:1301.3906 v4 · 2013-01-16 · 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{QLYIN2A5LPRYCRZYETI3S7CLQW}

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	2026-05-18T01:52:06.478827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f086e81d5be381473824d1b97c4b85abda8c33ad9d450a39359625ae584b97

Aliases

arxiv: 1301.3906 · arxiv_version: 1301.3906v4 · doi: 10.48550/arxiv.1301.3906 · pith_short_12: QLYIN2A5LPRY · pith_short_16: QLYIN2A5LPRYCRZY · pith_short_8: QLYIN2A5

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/QLYIN2A5LPRYCRZYETI3S7CLQW \
  | 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: 82f086e81d5be381473824d1b97c4b85abda8c33ad9d450a39359625ae584b97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f0cd5249e6ccb446ed1b0bb9fbfefe14f80d11e777e2693375250947d1b8a0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-16T21:00:00Z",
    "title_canon_sha256": "19e402f099818d19e169238368922bebf713e40f9d44317203e282e4270fb8ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3906",
    "kind": "arxiv",
    "version": 4
  }
}