Pith Number

pith:DEY4LW2W

pith:2018:DEY4LW2WAUKAY6RDEFQCPHJATF

not attested not anchored not stored refs pending

A long decay of X-ray flux and spectral evolution in the supersoft active galactic nucleus GSN 069

J. X. Wang, L. M. Dou, N. Jiang, S. S. Wang, T. G. Wang, X. W. Shu

arxiv:1809.00319 v1 · 2018-09-02 · 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{DEY4LW2WAUKAY6RDEFQCPHJATF}

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	2026-05-18T00:06:00.846973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1931c5db5605140c7a232160279d209942bf8d616ae55c728c7c6bbeae0ace73

Aliases

arxiv: 1809.00319 · arxiv_version: 1809.00319v1 · doi: 10.48550/arxiv.1809.00319 · pith_short_12: DEY4LW2WAUKA · pith_short_16: DEY4LW2WAUKAY6RD · pith_short_8: DEY4LW2W

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/DEY4LW2WAUKAY6RDEFQCPHJATF \
  | 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: 1931c5db5605140c7a232160279d209942bf8d616ae55c728c7c6bbeae0ace73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c520253d24b5890724c7ff6ae040947aa3416a7a3d32beb65e6e5ad8b0c642",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-02T09:40:05Z",
    "title_canon_sha256": "092024b4a8c3c89665295ea39dec76337f1a625101729c7581f617a0fe11559e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00319",
    "kind": "arxiv",
    "version": 1
  }
}