Pith Number

pith:X5PCIRGC

pith:2000:X5PCIRGCMZWT5PVZ4RDWR7OMX2

not attested not anchored not stored refs pending

Microjansky radio sources in DC0107-46 (Abell 2877)

A. Georgakakis, A. Hopkins, B. Mobasher, J. Afonso, L. Cram

arxiv:astro-ph/0001413 v1 · 2000-01-24 · 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{X5PCIRGCMZWT5PVZ4RDWR7OMX2}

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	2026-07-04T15:34:23.060943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf5e2444c2666d3ebeb9e44768fdccbe9901bc1f46afec2d22a36558a1cf22a6

Aliases

arxiv: astro-ph/0001413 · arxiv_version: astro-ph/0001413v1 · doi: 10.48550/arxiv.astro-ph/0001413 · pith_short_12: X5PCIRGCMZWT · pith_short_16: X5PCIRGCMZWT5PVZ · pith_short_8: X5PCIRGC

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/X5PCIRGCMZWT5PVZ4RDWR7OMX2 \
  | 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: bf5e2444c2666d3ebeb9e44768fdccbe9901bc1f46afec2d22a36558a1cf22a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5f2e21211044b4f892d517f2c6bb91aaf441116776bbc3acadacca5cc28f83",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-24T17:13:15Z",
    "title_canon_sha256": "0452034f91ff4e05fbdea61bfdd5e8455bfda7d410aa5027d70fa7d2f3235530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001413",
    "kind": "arxiv",
    "version": 1
  }
}