Pith Number

pith:6AWONKLF

pith:2015:6AWONKLFRJ7YGP4JR6CYWTD4RP

not attested not anchored not stored refs pending

The Gamma-Ray Emitting Radio-Loud Narrow-Line Seyfert 1 Galaxy PKS 2004-447 I. The X-Ray View

Alex Markowitz, Annika Kreikenbohm, Bryce Carpenter, Chin Shin Chang, Cornelia M\"uller, Dominik Els\"asser, Eduardo Ros, Jonas Tr\"ustedt, J\"orn Wilms, Karl Mannheim, Matthias Kadler, Neil Gehrels, Robert Schulz, Roopesh Ojha

arxiv:1509.03735 v3 · 2015-09-12 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AWONKLFRJ7YGP4JR6CYWTD4RP}

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	2026-05-18T01:23:39.712284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f02ce6a9658a7f833f898f858b4c7c8bf96e9108befd2bd6394dddc0a5346511

Aliases

arxiv: 1509.03735 · arxiv_version: 1509.03735v3 · doi: 10.48550/arxiv.1509.03735 · pith_short_12: 6AWONKLFRJ7Y · pith_short_16: 6AWONKLFRJ7YGP4J · pith_short_8: 6AWONKLF

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/6AWONKLFRJ7YGP4JR6CYWTD4RP \
  | 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: f02ce6a9658a7f833f898f858b4c7c8bf96e9108befd2bd6394dddc0a5346511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b50b076561f0f03496ce73c06ca02643cba1473b536f255c70720725e6ece497",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-12T12:19:59Z",
    "title_canon_sha256": "c63e0f6ce2eab0bde55cfe97b7f9d8423458d439cca78231a089549ca08eafd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03735",
    "kind": "arxiv",
    "version": 3
  }
}