Pith Number

pith:A7I7WC77

pith:1997:A7I7WC772ABB6DGORSMG6EYC6G

not attested not anchored not stored refs pending

Searches for High Redshift Radio Galaxies

Carlos De Breuck (IGPP/LLNL, George Miley (Leiden), Huub Rottgering (Leiden), Leiden), Wil van Breugel (IGPP/LLNL)

arxiv:astro-ph/9705056 v1 · 1997-05-09 · 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{A7I7WC772ABB6DGORSMG6EYC6G}

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	2026-05-18T01:21:49.928207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07d1fb0bffd0021f0cce8c986f1302f197d8902e3ecb5194f0f75b119d01baf5

Aliases

arxiv: astro-ph/9705056 · arxiv_version: astro-ph/9705056v1 · doi: 10.48550/arxiv.astro-ph/9705056 · pith_short_12: A7I7WC772ABB · pith_short_16: A7I7WC772ABB6DGO · pith_short_8: A7I7WC77

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/A7I7WC772ABB6DGORSMG6EYC6G \
  | 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: 07d1fb0bffd0021f0cce8c986f1302f197d8902e3ecb5194f0f75b119d01baf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f57faba750fbdeae66c195b32f3d0fe8efed50a4f927992b8e4610b7efead38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-09T02:46:40Z",
    "title_canon_sha256": "d8ac24840889d79506db3e729d60541e1fca9e972f0f4b889a6798f6c9ab3b0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705056",
    "kind": "arxiv",
    "version": 1
  }
}