Pith Number

pith:QEI3V6UL

pith:2015:QEI3V6ULOPFRQXRC2FH45CEESQ

not attested not anchored not stored refs pending

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

A. Kreikenbohm, A. K. Tzioumis, A. Markowitz, B. Carpenter, C. Gro{\ss}berger, C. M\"uller, C. Phillips, C. Pl\"otz, D. Els\"asser, E. Ros, H. Hase, J. E. J. Lovell, J. Quick, J. Stevens, J. Tr\"ustedt, J. Wilms, K. Mannheim, M. Kadler, N. Gehrels, P. G. Edwards, R. Ojha, R. Schulz, S. Horiuchi

arxiv:1511.02631 v1 · 2015-11-09 · 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{QEI3V6ULOPFRQXRC2FH45CEESQ}

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	2026-05-18T01:17:43.172382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8111bafa8b73cb185e22d14fce888494196e2a5c4073ed81052afcf7f33ab20c

Aliases

arxiv: 1511.02631 · arxiv_version: 1511.02631v1 · doi: 10.48550/arxiv.1511.02631 · pith_short_12: QEI3V6ULOPFR · pith_short_16: QEI3V6ULOPFRQXRC · pith_short_8: QEI3V6UL

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/QEI3V6ULOPFRQXRC2FH45CEESQ \
  | 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: 8111bafa8b73cb185e22d14fce888494196e2a5c4073ed81052afcf7f33ab20c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1aa1b4a44f8bbf14e314cc64617e3c1905ec497f800d8a5e2f18041b1b3fe9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-11-09T11:02:41Z",
    "title_canon_sha256": "e430a12333d5b5f7190721f37df3dc3605da8a5d307e811b1f4af15ff74ceb8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02631",
    "kind": "arxiv",
    "version": 1
  }
}