Pith Number

pith:IWUNKUOI

pith:2001:IWUNKUOIJKL4M3AD5P2TRY75PC

not attested not anchored not stored refs pending

Radio Galaxy Spectra

C A Jackson & J V Wall

arxiv:astro-ph/0101367 v1 · 2001-01-22 · 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{IWUNKUOIJKL4M3AD5P2TRY75PC}

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.

Cited by

1 paper in Pith

BROOM: a python package for model-independent analysis of microwave astronomical data

Receipt and verification

First computed	2026-07-04T14:11:01.219229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a8d551c84a97c66c03ebf538e3fd78a45e5c623dfeddc963ec26f6929da693

Aliases

arxiv: astro-ph/0101367 · arxiv_version: astro-ph/0101367v1 · doi: 10.48550/arxiv.astro-ph/0101367 · pith_short_12: IWUNKUOIJKL4 · pith_short_16: IWUNKUOIJKL4M3AD · pith_short_8: IWUNKUOI

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/IWUNKUOIJKL4M3AD5P2TRY75PC \
  | 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: 45a8d551c84a97c66c03ebf538e3fd78a45e5c623dfeddc963ec26f6929da693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb1b927d470ec86a7f78840d961b9808458822774220a493b7b217ec22adcde1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-22T03:18:06Z",
    "title_canon_sha256": "bc9333de8a28c738d434d708db29a362eeb3307a2e8013bfe84ae100cf8fb3e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101367",
    "kind": "arxiv",
    "version": 1
  }
}