Pith Number

pith:M3KCSTEG

pith:2015:M3KCSTEGX63DTNCZ4D7G5IPNA2

not attested not anchored not stored refs pending

Quasar Variability in the Mid-Infrared

Buell T. Jannuzi, Christopher S. Kochanek, Daniel Stern, Mark Brodwin, Matthew L. N. Ashby, Peter R. Eisenhardt, Roberto J. Assef, Szymon Kozlowski

arxiv:1509.02467 v2 · 2015-09-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3KCSTEGX63DTNCZ4D7G5IPNA2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:21:44.664809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66d4294c86bfb639b459e0fe6ea1ed068911b31cf4e19a950abe2776b2b154f5

Aliases

arxiv: 1509.02467 · arxiv_version: 1509.02467v2 · doi: 10.48550/arxiv.1509.02467 · pith_short_12: M3KCSTEGX63D · pith_short_16: M3KCSTEGX63DTNCZ · pith_short_8: M3KCSTEG

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/M3KCSTEGX63DTNCZ4D7G5IPNA2 \
  | 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: 66d4294c86bfb639b459e0fe6ea1ed068911b31cf4e19a950abe2776b2b154f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe16b354e74a617f5bcbb7d148f7a26259d0b29ce2e10215c616cf12f0e1440c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-08T17:51:34Z",
    "title_canon_sha256": "9c70e93c3189579149165b1e39419cc16589ef49e7821c2c7ca36a36cc0e6701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02467",
    "kind": "arxiv",
    "version": 2
  }
}