Pith Number

pith:74MAB2XC

pith:1998:74MAB2XCEJTH467PKJV7ELNF24

not attested not anchored not stored refs pending

The millisecond X-ray pulsar/burster SAX J1808.4-3658: the outburst light curve and the power law spectrum

E.Churazov, M.Gilfanov, M.Revnivtsev, R.Sunyaev

arxiv:astro-ph/9805152 v2 · 1998-05-12 · 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{74MAB2XCEJTH467PKJV7ELNF24}

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	2026-05-18T04:21:40.208647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff1800eae222667e7bef526bf22da5d72fd763fd0395dec86060842a723828ca

Aliases

arxiv: astro-ph/9805152 · arxiv_version: astro-ph/9805152v2 · doi: 10.48550/arxiv.astro-ph/9805152 · pith_short_12: 74MAB2XCEJTH · pith_short_16: 74MAB2XCEJTH467P · pith_short_8: 74MAB2XC

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/74MAB2XCEJTH467PKJV7ELNF24 \
  | 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: ff1800eae222667e7bef526bf22da5d72fd763fd0395dec86060842a723828ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb00db8af79741a785bb4d87160c9fcbbea36a720b0fb23f7f4943a3731a7794",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-12T16:08:58Z",
    "title_canon_sha256": "7a22ba2f7c9612b0cac4fb1ec4073b470faa3094ddacb0e06bd030fb2eb445e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805152",
    "kind": "arxiv",
    "version": 2
  }
}