Pith Number

pith:GYJFJYOC

pith:2009:GYJFJYOC4GS74NONWHSISJ2ZKK

not attested not anchored not stored refs pending

Mass Outflow in the Seyfert 1 Galaxy NGC 5548

D.M. Crenshaw, H.R. Schmitt, J.R. Gabel, J.S. Kaastra, K.T. Korista, N. Arav, S.B. Kraemer

arxiv:0902.2310 v1 · 2009-02-13 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYJFJYOC4GS74NONWHSISJ2ZKK}

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	2026-05-18T04:29:16.630460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

361254e1c2e1a5fe35cdb1e48927595297e41051c7b35a80bd6908664f0da6e6

Aliases

arxiv: 0902.2310 · arxiv_version: 0902.2310v1 · doi: 10.48550/arxiv.0902.2310 · pith_short_12: GYJFJYOC4GS7 · pith_short_16: GYJFJYOC4GS74NON · pith_short_8: GYJFJYOC

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/GYJFJYOC4GS74NONWHSISJ2ZKK \
  | 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: 361254e1c2e1a5fe35cdb1e48927595297e41051c7b35a80bd6908664f0da6e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe0968e792552bf783949825e5c40e4c86ec76872838394b56cd8abee35ca67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-13T14:06:08Z",
    "title_canon_sha256": "62fd5e1f9569d4fe26cb1c62ab39a4bea57937711f21180fbd3d716739024a60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2310",
    "kind": "arxiv",
    "version": 1
  }
}