Pith Number

pith:R26GRCOU

pith:2007:R26GRCOURWRLGXB4EGHQSTOLXV

not attested not anchored not stored refs pending

A new search for distant radio galaxies in the southern hemisphere - I. Sample definition and radio properties

E. M. Sadler, J. J. Bryant, J. W. Broderick, R. W. Hunstead, T. Murphy (University of Sydney)

arxiv:0707.4514 v2 · 2007-07-31 · 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{R26GRCOURWRLGXB4EGHQSTOLXV}

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	2026-07-04T17:04:58.871098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ebc6889d48da2b35c3c218f094dcbbd735e116ef33edc7ffd82bc3d61deffa8

Aliases

arxiv: 0707.4514 · arxiv_version: 0707.4514v2 · doi: 10.48550/arxiv.0707.4514 · pith_short_12: R26GRCOURWRL · pith_short_16: R26GRCOURWRLGXB4 · pith_short_8: R26GRCOU

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/R26GRCOURWRLGXB4EGHQSTOLXV \
  | 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: 8ebc6889d48da2b35c3c218f094dcbbd735e116ef33edc7ffd82bc3d61deffa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633c2a394c2e27dde2f2dd16cb89aaa31a2a38b7f595f423d93027be2d908e86",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-31T00:29:49Z",
    "title_canon_sha256": "279aba66be03ff6848e10f42beefd7bec899411c36a741ee4a0cbc82d509460c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.4514",
    "kind": "arxiv",
    "version": 2
  }
}