Pith Number

pith:ZRMQCQNA

pith:2010:ZRMQCQNASRZOAYQIKOR3O43HK2

not attested not anchored not stored refs pending

Radio Galaxy NGC 1265 unveils the Accretion Shock onto the Perseus Galaxy Cluster

Christoph Pfrommer (HITS, CITA), Tom W. Jones (U. of Minnesota)

arxiv:1004.3540 v3 · 2010-04-20 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZRMQCQNASRZOAYQIKOR3O43HK2}

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	2026-05-18T02:07:56.036458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc590141a09472e0620853a3b7736756a1e9e508b21e16980a20c8266930e3ce

Aliases

arxiv: 1004.3540 · arxiv_version: 1004.3540v3 · doi: 10.48550/arxiv.1004.3540 · pith_short_12: ZRMQCQNASRZO · pith_short_16: ZRMQCQNASRZOAYQI · pith_short_8: ZRMQCQNA

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/ZRMQCQNASRZOAYQIKOR3O43HK2 \
  | 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: cc590141a09472e0620853a3b7736756a1e9e508b21e16980a20c8266930e3ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df3dc81a46cbb6f5d16e5804d3ee67b207a6a51be3533d91520ac30846935eed",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-20T20:00:02Z",
    "title_canon_sha256": "ea37330460ab37c40f29587fd4677820c30bc811fe617e2d5415a55ad2ead947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3540",
    "kind": "arxiv",
    "version": 3
  }
}