Pith Number

pith:DYAJOBXO

pith:1997:DYAJOBXOIBT2JIW25V4LA6K4VH

not attested not anchored not stored refs pending

Electron Ageing and Polarization in Tailed Radio Galaxies

G. Giovannini, G. Zech, K.-H. Mack, L. Feretti, L.G. Sijbring, U. Klein

arxiv:astro-ph/9712041 v1 · 1997-12-03 · 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{DYAJOBXOIBT2JIW25V4LA6K4VH}

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	2026-07-04T14:15:34.611575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e009706ee4067a4a2daed78b0795ca9d8454a78bc125e614c0cc365709c3672

Aliases

arxiv: astro-ph/9712041 · arxiv_version: astro-ph/9712041v1 · doi: 10.48550/arxiv.astro-ph/9712041 · pith_short_12: DYAJOBXOIBT2 · pith_short_16: DYAJOBXOIBT2JIW2 · pith_short_8: DYAJOBXO

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/DYAJOBXOIBT2JIW25V4LA6K4VH \
  | 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: 1e009706ee4067a4a2daed78b0795ca9d8454a78bc125e614c0cc365709c3672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1794c30daf78a09587bb9420f633a7d7fc0cb7ba04033205e8d7b6fd467caae3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-03T14:19:09Z",
    "title_canon_sha256": "a68a9f297ee527278bd1fff893ac585d18ce79482f5207d5ff8d71d1fc58240f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712041",
    "kind": "arxiv",
    "version": 1
  }
}