Pith Number

pith:GHH4GC74

pith:2009:GHH4GC74J4ACGRNRI2QZJVDDCY

not attested not anchored not stored refs pending

The Quiescent Spectral Energy Distribution of V404 Cyg

C.K. Bradley (LSU), C. Zurita (IAC), E. Gallo (UCSB), J. Casares (IAC), M. Rupen (NRAO), R.I. Hynes (LSU), R.P. Fender (U. Southampton)

arxiv:0907.4376 v1 · 2009-07-24 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHH4GC74J4ACGRNRI2QZJVDDCY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:12:53.716054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31cfc30bfc4f002345b146a194d463160dd920a75ec4407717d601cdfc6e4eb2

Aliases

arxiv: 0907.4376 · arxiv_version: 0907.4376v1 · doi: 10.48550/arxiv.0907.4376 · pith_short_12: GHH4GC74J4AC · pith_short_16: GHH4GC74J4ACGRNR · pith_short_8: GHH4GC74

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/GHH4GC74J4ACGRNRI2QZJVDDCY \
  | 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: 31cfc30bfc4f002345b146a194d463160dd920a75ec4407717d601cdfc6e4eb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a89ebf0c8cc65591352fcdb4516629057404d276772b21b07c542d8a983df6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-24T21:52:03Z",
    "title_canon_sha256": "dc51392d1318ab82189b4dfec1d4dafd101350a369af357cb053ef2b7b709971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4376",
    "kind": "arxiv",
    "version": 1
  }
}