Pith Number

pith:HMMTA6CG

pith:2013:HMMTA6CGRKYWA25GYB75DHMBC7

not attested not anchored not stored refs pending

A Chandra Snapshot Survey for 3C Radio Galaxies with redshifts between 0.3 and 0.5

A. Bonafede (University of Hamburg), A. Paggi (SAO), D. E. Harris, E. Liuzzo (INAF Istituto di Radioastronomia), F. Massaro (Stanford University), G. Tremblay (ESO), (SAO)

arxiv:1304.0452 v1 · 2013-04-01 · astro-ph.HE · 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{HMMTA6CGRKYWA25GYB75DHMBC7}

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	2026-05-18T01:50:50.360718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b193078468ab1606ba6c07fd19d8117ff8372f22c02fabdecbc59ee4614c8e7

Aliases

arxiv: 1304.0452 · arxiv_version: 1304.0452v1 · doi: 10.48550/arxiv.1304.0452 · pith_short_12: HMMTA6CGRKYW · pith_short_16: HMMTA6CGRKYWA25G · pith_short_8: HMMTA6CG

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/HMMTA6CGRKYWA25GYB75DHMBC7 \
  | 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: 3b193078468ab1606ba6c07fd19d8117ff8372f22c02fabdecbc59ee4614c8e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db4926fb67f6e3d64c528a704095d9e4d394d4ba4b7b96ded436dd5a2b9b1e3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-01T20:00:02Z",
    "title_canon_sha256": "fd7cbd5084042c6be6b69b929e55438ea58a34601909cfb621ab40de68b3a7a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0452",
    "kind": "arxiv",
    "version": 1
  }
}