Pith Number

pith:QTS2UC2N

pith:2017:QTS2UC2NPANY2GA2F3DAE2OYOJ

not attested not anchored not stored refs pending

Understanding extreme quasar optical variability with CRTS: I. Major AGN flares

Andrew J. Drake, Ashish A. Mahabal, Daniel Stern, Eilat Glikman, Eric Christensen, Matthew J. Graham, S. G. Djorgovski, Steve Larson

arxiv:1706.03079 v1 · 2017-06-09 · 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{QTS2UC2NPANY2GA2F3DAE2OYOJ}

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	2026-05-18T00:38:51.436597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84e5aa0b4d781b8d181a2ec60269d872516d3c2c058c8acd279e7718bff7d896

Aliases

arxiv: 1706.03079 · arxiv_version: 1706.03079v1 · doi: 10.48550/arxiv.1706.03079 · pith_short_12: QTS2UC2NPANY · pith_short_16: QTS2UC2NPANY2GA2 · pith_short_8: QTS2UC2N

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/QTS2UC2NPANY2GA2F3DAE2OYOJ \
  | 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: 84e5aa0b4d781b8d181a2ec60269d872516d3c2c058c8acd279e7718bff7d896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc2a851b3a45faca6912b2dbadc80903ec585578b5e42c18e1bc7bf700bd08d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-09T18:02:51Z",
    "title_canon_sha256": "3123e8f4e705e41c05b1674f6a6ca25d5c2d1109c17721cfc5589eba858cd8f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03079",
    "kind": "arxiv",
    "version": 1
  }
}