Pith Number

pith:M4ZLZQVV

pith:2013:M4ZLZQVV3JUNVSXUELKKHTTT2C

not attested not anchored not stored refs pending

The host galaxy of the z=2.4 radio-loud AGN MRC 0406-244 as seen by HST

C. De Breuck, E. Kuiper, E. Rigby, G.K. Miley, H. Ford, H.J.A. R\"ottgering, J.D. Kurk, L. Pentericci, N.A. Hatch, R.A. Overzier

arxiv:1309.5954 v1 · 2013-09-23 · 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{M4ZLZQVV3JUNVSXUELKKHTTT2C}

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	2026-05-18T01:47:34.012426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6732bcc2b5da68dacaf422d4a3ce73d08bb373c75012f55dbcc3e6f7be581d83

Aliases

arxiv: 1309.5954 · arxiv_version: 1309.5954v1 · doi: 10.48550/arxiv.1309.5954 · pith_short_12: M4ZLZQVV3JUN · pith_short_16: M4ZLZQVV3JUNVSXU · pith_short_8: M4ZLZQVV

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/M4ZLZQVV3JUNVSXUELKKHTTT2C \
  | 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: 6732bcc2b5da68dacaf422d4a3ce73d08bb373c75012f55dbcc3e6f7be581d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf6b74cf39e6e4ed618fe89cd0ed9e297d96c5faaeba173469431ebe2902f654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-23T20:00:02Z",
    "title_canon_sha256": "46bd7ec07be120535c9886b519645225475e680e1cf74498958736f394972851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5954",
    "kind": "arxiv",
    "version": 1
  }
}