Pith Number

pith:73IBMB2V

pith:2000:73IBMB2V36SVMS2MQR6Q3IBOLF

not attested not anchored not stored refs pending

A submillimetre survey of the star-formation history of radio galaxies

D. H. Hughes, E. N. Archibald, J. S. Dunlop, R. J. Ivison, S. A. Eales, S. Rawlings

arxiv:astro-ph/0002083 v2 · 2000-02-03 · 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{73IBMB2V36SVMS2MQR6Q3IBOLF}

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	2026-07-04T16:16:00.976673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed0160755dfa5564b4c847d0da02e596dff98c6a7f90a5ae64849dfaae32c78

Aliases

arxiv: astro-ph/0002083 · arxiv_version: astro-ph/0002083v2 · doi: 10.48550/arxiv.astro-ph/0002083 · pith_short_12: 73IBMB2V36SV · pith_short_16: 73IBMB2V36SVMS2M · pith_short_8: 73IBMB2V

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/73IBMB2V36SVMS2MQR6Q3IBOLF \
  | 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: fed0160755dfa5564b4c847d0da02e596dff98c6a7f90a5ae64849dfaae32c78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9e27698b4670d9662a5ee8dc3f52fda9d72950410808e953df21209fa824e85",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-03T19:06:58Z",
    "title_canon_sha256": "68973ba0d1500e439db3f3c3ed827bc38294611a0856becbca0fc8341a7ba866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002083",
    "kind": "arxiv",
    "version": 2
  }
}