Pith Number

pith:NS7H5DRZ

pith:2001:NS7H5DRZHHQDGZEFVFHLWXCAGK

not attested not anchored not stored refs pending

A sample of 6C radio sources designed to find objects at redshift > 4: III --- imaging and the radio galaxy K-z relation

Andrew J.Bunker, Chris J.Willott, Katherine M.Blundell, Matt J.Jarvis, Ross J.McLure, Steve Croft, Steve Eales, Steve Rawlings

arxiv:astro-ph/0106130 v1 · 2001-06-07 · 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{NS7H5DRZHHQDGZEFVFHLWXCAGK}

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	2026-05-18T01:22:58.999945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cbe7e8e3939e0336485a94ebb5c4032b7c7d8fa64f4a4621e5e2d722dab2ed7

Aliases

arxiv: astro-ph/0106130 · arxiv_version: astro-ph/0106130v1 · doi: 10.48550/arxiv.astro-ph/0106130 · pith_short_12: NS7H5DRZHHQD · pith_short_16: NS7H5DRZHHQDGZEF · pith_short_8: NS7H5DRZ

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/NS7H5DRZHHQDGZEFVFHLWXCAGK \
  | 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: 6cbe7e8e3939e0336485a94ebb5c4032b7c7d8fa64f4a4621e5e2d722dab2ed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ad402857e0c9ebcd1443fef515ed4398ee464238c13fa23828578952e18757",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-07T14:01:55Z",
    "title_canon_sha256": "38e8fdf821d6e919e3fc7ad69e9cef4c9078fb7a17d58bab6793daae7103991d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106130",
    "kind": "arxiv",
    "version": 1
  }
}