Pith Number

pith:AL7ZA3RC

pith:2013:AL7ZA3RCG5DHKTUNMTHAFNDJVY

not attested not anchored not stored refs pending

The spectra of jet bases in FR I radio galaxies: implications for particle acceleration

(2) NRAO), A.H. Bridle (2) ((1) ESO, R.A. Laing (1)

arxiv:1303.6664 v1 · 2013-03-26 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AL7ZA3RCG5DHKTUNMTHAFNDJVY}

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	2026-05-18T01:50:52.261241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ff906e223746754e8d64ce02b469ae0bdba57942fdef6c47c4d624b25e14fd

Aliases

arxiv: 1303.6664 · arxiv_version: 1303.6664v1 · doi: 10.48550/arxiv.1303.6664 · pith_short_12: AL7ZA3RCG5DH · pith_short_16: AL7ZA3RCG5DHKTUN · pith_short_8: AL7ZA3RC

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/AL7ZA3RCG5DHKTUNMTHAFNDJVY \
  | 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: 02ff906e223746754e8d64ce02b469ae0bdba57942fdef6c47c4d624b25e14fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba9e944ec48bc76ffea48257aca58a7d4c1b0482d8886830251829174f910bd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-26T21:10:29Z",
    "title_canon_sha256": "9788f786f51fc9aa6ca996c822b3d98a16737ffe3e3d1f16224c357385772960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6664",
    "kind": "arxiv",
    "version": 1
  }
}