Pith Number

pith:L3TKTFQ4

pith:2019:L3TKTFQ4QQLTYSNUAS7USZCW4O

not attested not anchored not stored refs pending

Study of X-ray variability and coronae of Seyfert galaxies using NuSTAR

C. S. Stalin, K. D. Goswami, Priyanka Rani

arxiv:1901.07594 v1 · 2019-01-22 · 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{L3TKTFQ4QQLTYSNUAS7USZCW4O}

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	2026-05-17T23:55:16.742333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee6a9961c84173c49b404bf496456e39b2d5d100f94a3c4a0933d1696bf499b

Aliases

arxiv: 1901.07594 · arxiv_version: 1901.07594v1 · doi: 10.48550/arxiv.1901.07594 · pith_short_12: L3TKTFQ4QQLT · pith_short_16: L3TKTFQ4QQLTYSNU · pith_short_8: L3TKTFQ4

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/L3TKTFQ4QQLTYSNUAS7USZCW4O \
  | 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: 5ee6a9961c84173c49b404bf496456e39b2d5d100f94a3c4a0933d1696bf499b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4c6547f58e9d3c007b41ab3d05029d17f2ced13ee148ec76fb204baf8815f63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-22T19:52:25Z",
    "title_canon_sha256": "175488339f48707ef0de7509adecef3ea18e33a75255a94d02cd2d90ae1507ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07594",
    "kind": "arxiv",
    "version": 1
  }
}