Pith Number

pith:HGXP2NW5

pith:2013:HGXP2NW5GP7S5SYQXG2CJKWPHJ

not attested not anchored not stored refs pending

Swift and RXTE observations of the black hole transient GX 339-4 in the hard state between outbursts

John A. Tomsick, Kazutaka Yamaoka, Philip Kaaret, Ryan Allured

arxiv:1307.3503 v1 · 2013-07-12 · 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{HGXP2NW5GP7S5SYQXG2CJKWPHJ}

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	2026-05-18T01:48:50.951503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39aefd36dd33ff2ecb10b9b424aacf3a43dd5ede3d53ac802ef08d9bf056380b

Aliases

arxiv: 1307.3503 · arxiv_version: 1307.3503v1 · doi: 10.48550/arxiv.1307.3503 · pith_short_12: HGXP2NW5GP7S · pith_short_16: HGXP2NW5GP7S5SYQ · pith_short_8: HGXP2NW5

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/HGXP2NW5GP7S5SYQXG2CJKWPHJ \
  | 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: 39aefd36dd33ff2ecb10b9b424aacf3a43dd5ede3d53ac802ef08d9bf056380b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "690b4acf303b0f4b1289f83f3c4ce407aae18746c247bd97471f937376a7c0bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-12T16:17:47Z",
    "title_canon_sha256": "af4742854f9501be534cdba95d461744ec77e0ed401a71f7d5a7c3b534476d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3503",
    "kind": "arxiv",
    "version": 1
  }
}