Pith Number

pith:S37ZEXFI

pith:2013:S37ZEXFIHEDNQH6PYURMUWUNTV

not attested not anchored not stored refs pending

Quasi-Periodic Oscillations and energy spectra from the two brightest Ultra-Luminous X-ray sources in M82

(2) Osservatorio Astronomico di Padova), L. Zampieri (2) ((1) Osservatorio Astronomico di Brera, M. D. Caballero-Garcia (1), Merate, T. Belloni (1)

arxiv:1309.6101 v1 · 2013-09-24 · 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{S37ZEXFIHEDNQH6PYURMUWUNTV}

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	2026-05-18T01:47:27.569217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96ff925ca83906d81fcfc522ca5a8d9d72210d971c4902019835ac337a3dbeaf

Aliases

arxiv: 1309.6101 · arxiv_version: 1309.6101v1 · doi: 10.48550/arxiv.1309.6101 · pith_short_12: S37ZEXFIHEDN · pith_short_16: S37ZEXFIHEDNQH6P · pith_short_8: S37ZEXFI

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/S37ZEXFIHEDNQH6PYURMUWUNTV \
  | 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: 96ff925ca83906d81fcfc522ca5a8d9d72210d971c4902019835ac337a3dbeaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aadee56bc411e07308e8ed4c431d8c2eb7020830d8c85bacfd6939240126a4a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-24T10:10:18Z",
    "title_canon_sha256": "0987ce381e23119b9b5c69a10f2b2dce29725d1d9c71f9dd389d7b8cbeb9a039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6101",
    "kind": "arxiv",
    "version": 1
  }
}