Pith Number

pith:PR2T2TOI

pith:1996:PR2T2TOIBV3PMVNQ7XRWRQSYYL

not attested not anchored not stored refs pending

The X-ray Structure of A399 and A401: A Pre-Merging Cluster Pair

H. Matsumoto, K. Koyama, T. Tsuru, Y. Fujita

arxiv:astro-ph/9602059 v1 · 1996-02-13 · 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{PR2T2TOIBV3PMVNQ7XRWRQSYYL}

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	2026-05-18T01:40:21.828600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c753d4dc80d76f655b0fde368c258c2e9398237b46e8bd66658550ea3c96f78

Aliases

arxiv: astro-ph/9602059 · arxiv_version: astro-ph/9602059v1 · doi: 10.48550/arxiv.astro-ph/9602059 · pith_short_12: PR2T2TOIBV3P · pith_short_16: PR2T2TOIBV3PMVNQ · pith_short_8: PR2T2TOI

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/PR2T2TOIBV3PMVNQ7XRWRQSYYL \
  | 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: 7c753d4dc80d76f655b0fde368c258c2e9398237b46e8bd66658550ea3c96f78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e03c14b58c8edbe713065104bf03877534c214cfc106a5b225550572009828a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-02-13T01:53:15Z",
    "title_canon_sha256": "cdd8755d9e72ab7e8285240ccb0a3ffddfa7b2faeaae049561584f5b244c9d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9602059",
    "kind": "arxiv",
    "version": 1
  }
}