Pith Number

pith:EDOYUIIK

pith:2018:EDOYUIIKQR4UJ6WZY7N24XH6EF

not attested not anchored not stored refs pending

Interpreting radiative efficiency in radio-loud AGN

M. J. Hardcastle

arxiv:1804.04043 v1 · 2018-04-11 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDOYUIIKQR4UJ6WZY7N24XH6EF}

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	2026-05-18T00:18:42.246297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20dd8a210a847944fad9c7dbae5cfe214afbc03fc9d0d68f5cb39f7d70035c85

Aliases

arxiv: 1804.04043 · arxiv_version: 1804.04043v1 · doi: 10.48550/arxiv.1804.04043 · pith_short_12: EDOYUIIKQR4U · pith_short_16: EDOYUIIKQR4UJ6WZ · pith_short_8: EDOYUIIK

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/EDOYUIIKQR4UJ6WZY7N24XH6EF \
  | 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: 20dd8a210a847944fad9c7dbae5cfe214afbc03fc9d0d68f5cb39f7d70035c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8967ddebcd1aa9b33d3230ae4c6112e7462e1209da0092c0bcf299a9ae0ad886",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-11T15:17:01Z",
    "title_canon_sha256": "822b3d6599ecde28c5dacbbf3155448827002de89760fc88a01294ebc5eba617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04043",
    "kind": "arxiv",
    "version": 1
  }
}