Pith Number

pith:PGQL52PO

pith:2008:PGQL52POEHCCL2UNIDMGQIIK26

not attested not anchored not stored refs pending

The X-ray cavities, filaments and cold fronts in the core of the galaxy group NGC 5044

2), (2) UC Irvine, (3) NASA/Ames Research Center, 4), (4) SETI Institute, (5) Universita' di Bologna, 6), (6) UC Santa Cruz, (7) INAF-Osservatorio Astronomico di Bologna, 8) ((1) INAF-IASF Milano, (8) INFN Bologna), David A. Buote (2), Fabio Gastaldello (1, Fabrizio Brighenti (5, Pasquale Temi (3, Stefano Ettori (7, William G. Mathews (6)

arxiv:0807.3526 v2 · 2008-07-22 · 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{PGQL52POEHCCL2UNIDMGQIIK26}

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	2026-05-18T04:29:33.186620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a0bee9ee21c425ea8d40d868210ad788c2437e3ac82c8bc218b680db262aed

Aliases

arxiv: 0807.3526 · arxiv_version: 0807.3526v2 · doi: 10.48550/arxiv.0807.3526 · pith_short_12: PGQL52POEHCC · pith_short_16: PGQL52POEHCCL2UN · pith_short_8: PGQL52PO

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/PGQL52POEHCCL2UNIDMGQIIK26 \
  | 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: 79a0bee9ee21c425ea8d40d868210ad788c2437e3ac82c8bc218b680db262aed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "328a1b8dd0247f4c6d68d8e42c9e374de169d4985f1338877ae30a3b688d7a2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-22T17:56:18Z",
    "title_canon_sha256": "7b506941cc7d038aab368e14372d18b027ca0eafba47b8c0ae57820d6d47d85d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3526",
    "kind": "arxiv",
    "version": 2
  }
}