Pith Number

pith:DB3DU72S

pith:2013:DB3DU72SBVPIJAQ3DKAKVAS2LZ

not attested not anchored not stored refs pending

Variability-based AGN selection using image subtraction in the SDSS and LSST era

Andrew C. Becker, Andrew J. Connolly, Chelsea L. MacLeod, John J. Ruan, Robert R. Gibson, Scott F. Anderson, \v{Z}eljko Ivezi\'c, Yumi Choi

arxiv:1312.4957 v1 · 2013-12-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DB3DU72SBVPIJAQ3DKAKVAS2LZ}

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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	2026-05-18T01:18:19.307841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18763a7f520d5e84821b1a80aa825a5e49fd024712ba5abdd342f75e1360d725

Aliases

arxiv: 1312.4957 · arxiv_version: 1312.4957v1 · doi: 10.48550/arxiv.1312.4957 · pith_short_12: DB3DU72SBVPI · pith_short_16: DB3DU72SBVPIJAQ3 · pith_short_8: DB3DU72S

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/DB3DU72SBVPIJAQ3DKAKVAS2LZ \
  | 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: 18763a7f520d5e84821b1a80aa825a5e49fd024712ba5abdd342f75e1360d725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600c41200d6a6bb4308f3a09deb7292f48df5f66731d30eaced8f994bc8e18ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-17T21:00:06Z",
    "title_canon_sha256": "1300475c76edcae44985c69a9326303e6b9be259314689b4d6ddf36a50143873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4957",
    "kind": "arxiv",
    "version": 1
  }
}