Pith Number

pith:XO2ZNFCZ

pith:2012:XO2ZNFCZHIOWSERV55EVVDD4JB

not attested not anchored not stored refs pending

Feedback in the cores of clusters Abell 3581, 2A 0335+096, and Sersic 159-03

Catherine L. Farage, Michael A. Dopita, Peter J. McGregor

arxiv:1201.3681 v2 · 2012-01-18 · 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{XO2ZNFCZHIOWSERV55EVVDD4JB}

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	2026-05-18T01:58:47.653211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbb59694593a1d691235ef495a8c7c4848d2324f4f7ce4eb77292d9e59f65d83

Aliases

arxiv: 1201.3681 · arxiv_version: 1201.3681v2 · doi: 10.48550/arxiv.1201.3681 · pith_short_12: XO2ZNFCZHIOW · pith_short_16: XO2ZNFCZHIOWSERV · pith_short_8: XO2ZNFCZ

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/XO2ZNFCZHIOWSERV55EVVDD4JB \
  | 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: bbb59694593a1d691235ef495a8c7c4848d2324f4f7ce4eb77292d9e59f65d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73423cb403b6413544c90f9626f6be4c5c18d1113397751a764eda80dd456dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-18T01:43:05Z",
    "title_canon_sha256": "26dbd4704e715f2549b9da7f30871c353b36cd7f04341c5289b7397c3ec64502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3681",
    "kind": "arxiv",
    "version": 2
  }
}