Pith Number

pith:MUFDKZX6

pith:2001:MUFDKZX6RLLPGIZWHBELM2JCNM

not attested not anchored not stored refs pending

Discovery of depressions in the X-ray emission of the distant galaxy cluster RBS797 in a CHANDRA observation

A. Castillo-Morales (Liverpool JMU), A. Schwope (Astrophysikalisches Institut Potsdam), E. De Filippis (Liverpool JMU), J. Wambsganss (Univ. Potsdam), S. Schindler (Liverpool JMU)

arxiv:astro-ph/0107504 v1 · 2001-07-26 · 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{MUFDKZX6RLLPGIZWHBELM2JCNM}

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	2026-07-04T16:23:46.197521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

650a3566fe8ad6f323363848b669226b1854642ab708219e14ef00c013942806

Aliases

arxiv: astro-ph/0107504 · arxiv_version: astro-ph/0107504v1 · doi: 10.48550/arxiv.astro-ph/0107504 · pith_short_12: MUFDKZX6RLLP · pith_short_16: MUFDKZX6RLLPGIZW · pith_short_8: MUFDKZX6

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/MUFDKZX6RLLPGIZWHBELM2JCNM \
  | 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: 650a3566fe8ad6f323363848b669226b1854642ab708219e14ef00c013942806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d7f47c5cd3729c8a91517ee01f0a30ce5fffaf3caa3c3de503954a50b8fbc4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-26T14:27:46Z",
    "title_canon_sha256": "1c85537d50ce1f3fd3b0ccdb5556a591e91a3fad85f214a16cc7961ad5490681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107504",
    "kind": "arxiv",
    "version": 1
  }
}