Pith Number

pith:TGALJOI4

pith:2017:TGALJOI4GJFT5LHKDODX5KLMIA

not attested not anchored not stored refs pending

Complex Optical/UV and X-ray Variability of the Seyfert 1 galaxy 1H 0419-577

2), (2) Inter University Centre for Astronomy, Ajit K. Kembhavi (2), Astrophysics), Astrophysics Division, Gulab C. Dewangan (2), Main Pal (1, Physical Research Laboratory, Ranjeev Misra (2), Sachindra Naik (1) ((1) Astronomy

arxiv:1710.01944 v1 · 2017-10-05 · 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{TGALJOI4GJFT5LHKDODX5KLMIA}

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	2026-05-18T00:26:43.475550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9980b4b91c324b3eacea1b877ea96c4034d7b5caeddce5a0118408772cc77fc9

Aliases

arxiv: 1710.01944 · arxiv_version: 1710.01944v1 · doi: 10.48550/arxiv.1710.01944 · pith_short_12: TGALJOI4GJFT · pith_short_16: TGALJOI4GJFT5LHK · pith_short_8: TGALJOI4

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/TGALJOI4GJFT5LHKDODX5KLMIA \
  | 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: 9980b4b91c324b3eacea1b877ea96c4034d7b5caeddce5a0118408772cc77fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b539c1aac8275535f4f8439d3904715628753ee7d04a6559fd5d3f118201ce75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-05T10:06:09Z",
    "title_canon_sha256": "058424942b8182885629628b6e3ec88a6ec1d14143f54646b268c02f886d8b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01944",
    "kind": "arxiv",
    "version": 1
  }
}