Pith Number

pith:GFNNLWPI

pith:2014:GFNNLWPIO5S4324OWJORV6TPYO

not attested not anchored not stored refs pending

Measuring Quasar Variability with Pan-STARRS1 and SDSS

E. A. Magnier, E. F. S Chlafly, E. Morganson, F. Walter, H.-W. Rix, J.L. Tonry, J. S. Morgan, K. C. Chambers, N. Kaiser, P. A. Price, P. J. Green, P. J. Marshall, W. S. Burgett

arxiv:1407.0716 v1 · 2014-07-02 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFNNLWPIO5S4324OWJORV6TPYO}

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	2026-05-18T01:42:42.572807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

315ad5d9e87765cdeb8eb25d1afa6fc3a014423f02e3ac9c1c3ff406acf9dd26

Aliases

arxiv: 1407.0716 · arxiv_version: 1407.0716v1 · doi: 10.48550/arxiv.1407.0716 · pith_short_12: GFNNLWPIO5S4 · pith_short_16: GFNNLWPIO5S4324O · pith_short_8: GFNNLWPI

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/GFNNLWPIO5S4324OWJORV6TPYO \
  | 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: 315ad5d9e87765cdeb8eb25d1afa6fc3a014423f02e3ac9c1c3ff406acf9dd26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b814a2523c66f8b79e5c31ac4f0bad6fdc5bb418fbe61d9882c0a4163de9c4f8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-07-02T20:28:17Z",
    "title_canon_sha256": "ef411d4a82c275515c2a7095df1f0a9a6dbf6c0ab6a8a82a535565f668d0523d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0716",
    "kind": "arxiv",
    "version": 1
  }
}