Pith Number

pith:P22O4BYV

pith:2003:P22O4BYVU6NJD6NMMA7YCYSXHQ

not attested not anchored not stored refs pending

An XMM Observation of IGR J16320-4751=AX J1631.9-4752

A. Goldwurm, J.A. Tomsick, J. Rodriguez, L. Foschini, P. Kaaret, R. Walter, S. Corbel

arxiv:astro-ph/0304139 v2 · 2003-04-08 · 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{P22O4BYVU6NJD6NMMA7YCYSXHQ}

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	2026-07-04T16:36:49.042246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d

Aliases

arxiv: astro-ph/0304139 · arxiv_version: astro-ph/0304139v2 · doi: 10.48550/arxiv.astro-ph/0304139 · pith_short_12: P22O4BYVU6NJ · pith_short_16: P22O4BYVU6NJD6NM · pith_short_8: P22O4BYV

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/P22O4BYVU6NJD6NMMA7YCYSXHQ \
  | 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: 7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a54529e707332c51f2115f99edeb03e450f8f5d345a53ed300de25ab174f8a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-08T13:56:34Z",
    "title_canon_sha256": "2dc2c616124fbc0c78b0438d33ae166aed9e9132b26f3ae140ee18a187804782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304139",
    "kind": "arxiv",
    "version": 2
  }
}