Pith Number

pith:IEN2E5GL

pith:2013:IEN2E5GL7JCTNBVQWJEI3SZ66N

not attested not anchored not stored refs pending

Exploring the spectroscopic properties of relic radiogalaxies

(2) Department of Physics, (3) SISSA-ISAS, (4) INAF, 5), (5) School of Mathematical, 6), (6) INAF - Osservatorio Astronomico di Brera, (7) Space Telescope Science Institute, 8) ((1) Osservatorio Astrofisico di Torino, (8) INAF-Istituto di Radio Astronomia, Alessandro Capetti (1), Andrew Robinson (2), Annalisa Celotti (3, David J. Axon (2, Italy, Italy), Marco Chiaberge (7, Osservatorio Astronomico di Padova, Physical Sciences, Ranieri D. Baldi (3), Rochester Institute of Technology, Sara Buttiglione (4), UK, U.S.A.

arxiv:1301.5757 v1 · 2013-01-24 · 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{IEN2E5GL7JCTNBVQWJEI3SZ66N}

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	2026-05-18T01:51:59.034985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411ba274cbfa453686b0b2488dcb3ef374005d97f017302cec72a447f0dd69a6

Aliases

arxiv: 1301.5757 · arxiv_version: 1301.5757v1 · doi: 10.48550/arxiv.1301.5757 · pith_short_12: IEN2E5GL7JCT · pith_short_16: IEN2E5GL7JCTNBVQ · pith_short_8: IEN2E5GL

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/IEN2E5GL7JCTNBVQWJEI3SZ66N \
  | 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: 411ba274cbfa453686b0b2488dcb3ef374005d97f017302cec72a447f0dd69a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7127094d99681bfd2a5132d8f7832e7bef216c187e483fea83f2a98ee250d5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-24T11:39:13Z",
    "title_canon_sha256": "7302caa6838b0363c8cd14d0ae687d2f997e81b26eec7a889c7698a0252092c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5757",
    "kind": "arxiv",
    "version": 1
  }
}