Pith Number

pith:2QIXVIHL

pith:2015:2QIXVIHLJL7BYVP3CPNVZCSAYB

not attested not anchored not stored refs pending

Short Timescale Photometric and Polarimetric Behavior of two BL Lacertae Type Objects

A. Sandrinelli, A. Stamerra, A. Treves, C.M. Raiteri, E. Lindfors, E. Molinari, E. Prandini, F. D'Ammando, F. Leone, F. Tavecchio, G. Bonnoli, G. Tagliaferri, H. Zhang, L. Di Fabrizio, L. Foschini, M. Boettcher, M.C. Baglio, M. Cecconi, M. Giarrusso, S. Covino, S. Paiano, U. Barres de Almeida, V. Lorenzi

arxiv:1504.03020 v1 · 2015-04-12 · 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{2QIXVIHLJL7BYVP3CPNVZCSAYB}

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	2026-05-18T01:55:41.622242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4117aa0eb4afe1c55fb13db5c8a40c04b031d6604cfaf0cbf8176a24550c434

Aliases

arxiv: 1504.03020 · arxiv_version: 1504.03020v1 · doi: 10.48550/arxiv.1504.03020 · pith_short_12: 2QIXVIHLJL7B · pith_short_16: 2QIXVIHLJL7BYVP3 · pith_short_8: 2QIXVIHL

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/2QIXVIHLJL7BYVP3CPNVZCSAYB \
  | 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: d4117aa0eb4afe1c55fb13db5c8a40c04b031d6604cfaf0cbf8176a24550c434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4817abdbc93b0529b04b9de9acc6f63e8cb447eee886212f29e133d5e84cfb9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-12T21:02:11Z",
    "title_canon_sha256": "c96f24f5880a83970e88ba7bb5cb0b17c1ee704302b0ef87a8827f9e1ce147e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03020",
    "kind": "arxiv",
    "version": 1
  }
}