Pith Number

pith:5SJ42VCR

pith:2009:5SJ42VCRL77WN2PIY7EVDS6D3L

not attested not anchored not stored refs pending

The long-term evolution of the accreting millisecond X-ray pulsar Swift J1756.9-2508

Alessandro Patruno (1), Chris Messenger (2) ((1) Astronomical Institute `A. Pannekoek', Diego Altamirano (1), Germany), Hannover, The Netherlands (2) Albert Einstein Institute for Gravitational Research, Univeristy of Amsterdam

arxiv:0910.2920 v1 · 2009-10-15 · 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{5SJ42VCRL77WN2PIY7EVDS6D3L}

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	2026-05-18T02:11:23.224826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec93cd54515fff66e9e8c7c951cbc3dac6999bf4d43c3ce988e3580b7bb1d8b9

Aliases

arxiv: 0910.2920 · arxiv_version: 0910.2920v1 · doi: 10.48550/arxiv.0910.2920 · pith_short_12: 5SJ42VCRL77W · pith_short_16: 5SJ42VCRL77WN2PI · pith_short_8: 5SJ42VCR

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/5SJ42VCRL77WN2PIY7EVDS6D3L \
  | 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: ec93cd54515fff66e9e8c7c951cbc3dac6999bf4d43c3ce988e3580b7bb1d8b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "311c10f6818b8409f42f9f3eeff4345c87ec953ce059d31a13f373e3d8f97c50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-15T16:10:17Z",
    "title_canon_sha256": "e633985ee0f7d1de246102a5c480fc67cb45dba45a9aee7a83f8eaa86c98210a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2920",
    "kind": "arxiv",
    "version": 1
  }
}