Pith Number

pith:IY2A4NRB

pith:2013:IY2A4NRBKFCZR3DBXB3CTGKKLC

not attested not anchored not stored refs pending

On the photometric error calibration for the `differential light curves' of point-like Active Galactic Nuclei

Arti Goyal, C. S. Stalin, Gopal-Krishna, Mukul Mhaskey, Paul J. Wiita, Ram Sagar

arxiv:1306.5437 v1 · 2013-06-23 · astro-ph.CO · 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{IY2A4NRBKFCZR3DBXB3CTGKKLC}

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	2026-05-18T01:49:13.575741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46340e3621514598ec61b87629994a58a0954327320521abf00988c258ed3ce6

Aliases

arxiv: 1306.5437 · arxiv_version: 1306.5437v1 · doi: 10.48550/arxiv.1306.5437 · pith_short_12: IY2A4NRBKFCZ · pith_short_16: IY2A4NRBKFCZR3DB · pith_short_8: IY2A4NRB

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/IY2A4NRBKFCZR3DBXB3CTGKKLC \
  | 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: 46340e3621514598ec61b87629994a58a0954327320521abf00988c258ed3ce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcdd4849be9454a56810d5e71e8d109af4801b26fb51ab99a6870a588d31fcf2",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-23T16:42:05Z",
    "title_canon_sha256": "401ea6cf88dc00c86fef396fbeb79c6fd7616d4bc31fb202ea7e9cf63a04f1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5437",
    "kind": "arxiv",
    "version": 1
  }
}