Pith Number

pith:J4RYDTQJ

pith:2005:J4RYDTQJMHZYEZYSMJ6WX4EDOV

not attested not anchored not stored refs pending

Bright X-ray Transients in M31: 2004 July XMM-Newton Observations

France Cordova (UCR), IKI), Sergey Trudolyubov (IGPP/UCR, William Priedhorsky (LANL)

arxiv:astro-ph/0512260 v1 · 2005-12-09 · 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{J4RYDTQJMHZYEZYSMJ6WX4EDOV}

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	2026-07-04T15:19:37.631399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2381ce0961f3826712627d6bf08375694a63d8b2e96db5a8311147feb4e3d8

Aliases

arxiv: astro-ph/0512260 · arxiv_version: astro-ph/0512260v1 · doi: 10.48550/arxiv.astro-ph/0512260 · pith_short_12: J4RYDTQJMHZY · pith_short_16: J4RYDTQJMHZYEZYS · pith_short_8: J4RYDTQJ

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/J4RYDTQJMHZYEZYSMJ6WX4EDOV \
  | 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: 4f2381ce0961f3826712627d6bf08375694a63d8b2e96db5a8311147feb4e3d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de7fc7ccd301f27036d9cb737ba52cc8afbdf1325d1b97e5a15707cb4cd19c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-09T20:43:53Z",
    "title_canon_sha256": "65bc4984fc99da4a8029b6e4cdbbc1b23fecdd179658f86c0649305241758149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512260",
    "kind": "arxiv",
    "version": 1
  }
}