Pith Number

pith:YHTVY5TQ

pith:2013:YHTVY5TQUZADHNZ4AJYZLTNUMM

not attested not anchored not stored refs pending

Three AGN Close To The Effective Eddington Limit

A.C. Fabian, L. M. Winter, M. L. Trippe, M. Mel\'endez, R. F. Mushotzky, R.V. Vasudevan

arxiv:1303.0009 v1 · 2013-02-28 · 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{YHTVY5TQUZADHNZ4AJYZLTNUMM}

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	2026-05-18T01:51:25.763978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e75c7670a64033b73c027195cdb4633635a7d60676a8624964afe1c0d9cff6

Aliases

arxiv: 1303.0009 · arxiv_version: 1303.0009v1 · doi: 10.48550/arxiv.1303.0009 · pith_short_12: YHTVY5TQUZAD · pith_short_16: YHTVY5TQUZADHNZ4 · pith_short_8: YHTVY5TQ

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/YHTVY5TQUZADHNZ4AJYZLTNUMM \
  | 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: c1e75c7670a64033b73c027195cdb4633635a7d60676a8624964afe1c0d9cff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29b6cd1f61120a91149a4d12547f35d993129df0e495d159387131d64b3dd35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-28T21:00:12Z",
    "title_canon_sha256": "3cd0e35408fab8b6b23a1d5fd773f809079bca37e0067e75a7bcd42203e35640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0009",
    "kind": "arxiv",
    "version": 1
  }
}