Pith Number

pith:XT5MDPY3

pith:2011:XT5MDPY3YQAR5XKSJ37WTL2XWA

not attested not anchored not stored refs pending

Using the XMM Optical Monitor to Study Cluster Galaxy Evolution

(2) University of North Carolina, (3) Johns Hopkins University, 4), 4) ((1) University of Maryland, (4) NASA Goddard Space Flight Center), College Park, Derek Hammer (3, K.D. Kuntz (3, Neal A. Miller (1), Richard O'Steen (2), Steffi Yen (1)

arxiv:1112.2591 v1 · 2011-12-12 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XT5MDPY3YQAR5XKSJ37WTL2XWA}

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	2026-05-18T01:59:11.714911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcfac1bf1bc4011edd524eff69af57b00eb6f0dd689c63ec147a7e14d8ccd072

Aliases

arxiv: 1112.2591 · arxiv_version: 1112.2591v1 · doi: 10.48550/arxiv.1112.2591 · pith_short_12: XT5MDPY3YQAR · pith_short_16: XT5MDPY3YQAR5XKS · pith_short_8: XT5MDPY3

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/XT5MDPY3YQAR5XKSJ37WTL2XWA \
  | 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: bcfac1bf1bc4011edd524eff69af57b00eb6f0dd689c63ec147a7e14d8ccd072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db7cd2c0f02f57a67d2468491aeb5d74c59f6ee3355ca724474d4c178900a0f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-12T15:41:46Z",
    "title_canon_sha256": "41ff5d8812f1896d8ea4335b4195211a3aaa87cf14b02b91f8a53b65ec97a281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2591",
    "kind": "arxiv",
    "version": 1
  }
}