Pith Number

pith:TPUTQCYC

pith:2008:TPUTQCYCI7VJYK6NBGBTTA25SL

not attested not anchored not stored refs pending

Discoveries of 3 K-shell Lines of Iron and a Coherent Pulsation of 593-sec from SAX J1748.2-2808

Hironori Matsumoto, Katsuji Koyama, Masayoshi Nobukawa, Takeshi Go Tsuru

arxiv:0805.3608 v2 · 2008-05-23 · 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{TPUTQCYCI7VJYK6NBGBTTA25SL}

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	2026-05-18T02:15:52.442963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9be9380b0247ea9c2bcd098339835d92e6792e6c60d50f3a72af5155a04a3268

Aliases

arxiv: 0805.3608 · arxiv_version: 0805.3608v2 · doi: 10.48550/arxiv.0805.3608 · pith_short_12: TPUTQCYCI7VJ · pith_short_16: TPUTQCYCI7VJYK6N · pith_short_8: TPUTQCYC

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/TPUTQCYCI7VJYK6NBGBTTA25SL \
  | 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: 9be9380b0247ea9c2bcd098339835d92e6792e6c60d50f3a72af5155a04a3268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750973ee89b7c97694e5fce6f7ecb85acae8a3956f91bcd409e2e15c22e4f0eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-23T12:41:28Z",
    "title_canon_sha256": "7527bdc1a16cc0d1f602d827bd72321aa9b644d011642ca69d221bd88f95f049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3608",
    "kind": "arxiv",
    "version": 2
  }
}