Pith Number

pith:FGLSHGVZ

pith:2008:FGLSHGVZFTORMFCDF4LQRRWK5M

not attested not anchored not stored refs pending

Active Galactic Nuclei, Radio Jets and Acceleration of UHECRs

S. Massaglia

arxiv:0812.4945 v1 · 2008-12-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGLSHGVZFTORMFCDF4LQRRWK5M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:33:48.457669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2997239ab92cdd1614432f1708c6caeb25825a53cb95c08656ddce75207f9261

Aliases

arxiv: 0812.4945 · arxiv_version: 0812.4945v1 · doi: 10.48550/arxiv.0812.4945 · pith_short_12: FGLSHGVZFTOR · pith_short_16: FGLSHGVZFTORMFCD · pith_short_8: FGLSHGVZ

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/FGLSHGVZFTORMFCDF4LQRRWK5M \
  | 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: 2997239ab92cdd1614432f1708c6caeb25825a53cb95c08656ddce75207f9261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b3acd4c383c135dc8008e1379160622780aa5a9b8ac0960eaab0e918cc6bd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-29T17:43:47Z",
    "title_canon_sha256": "410c2f32353431abf99811c885b43787b0cb3f3b7256ec51a8daf7d546318b5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4945",
    "kind": "arxiv",
    "version": 1
  }
}