Pith Number

pith:HHWBNWF6

pith:2008:HHWBNWF6Z5NZOU6U7BJWD3VJTD

not attested not anchored not stored refs pending

Broad-band X-ray spectral evolution of GX 339-4 during a state transition

A. Bazzano, E. Gallo, J. Homan, M. Del Santo, M. Mendez, M. van der Klis, N. Gehrels, P. Casella, R. P. Fender, T. M. Belloni, W. H. G. Lewin

arxiv:0810.3556 v1 · 2008-10-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHWBNWF6Z5NZOU6U7BJWD3VJTD}

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	2026-07-04T17:13:17.031963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ec16d8becf5b9753d4f85361eea998c5f5314b37589d2cd4ec29c4add6867c

Aliases

arxiv: 0810.3556 · arxiv_version: 0810.3556v1 · doi: 10.48550/arxiv.0810.3556 · pith_short_12: HHWBNWF6Z5NZ · pith_short_16: HHWBNWF6Z5NZOU6U · pith_short_8: HHWBNWF6

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/HHWBNWF6Z5NZOU6U7BJWD3VJTD \
  | 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: 39ec16d8becf5b9753d4f85361eea998c5f5314b37589d2cd4ec29c4add6867c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c332da24d5813a6342f52534afad12f46d3066053d4072f8579df12db2d4d942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-20T14:40:41Z",
    "title_canon_sha256": "8d5edbe9d0cecb2c286eceea2fb4588e496b2a39b00cc470900fbd94f1011bab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3556",
    "kind": "arxiv",
    "version": 1
  }
}