Pith Number

pith:N4KQEVCS

pith:2014:N4KQEVCS2ZWKW7QXDUNX6AN2PR

not attested not anchored not stored refs pending

A Novel, Fully Automated Pipeline for Period Estimation in the EROS 2 Data Set

Jose C. Principe, Pablo A. Estevez, Pablo Huijse, Pablo Zegers, Pavlos Protopapas

arxiv:1412.1840 v1 · 2014-12-04 · astro-ph.IM · astro-ph.SR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4KQEVCS2ZWKW7QXDUNX6AN2PR}

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	2026-05-18T01:32:18.859835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f15025452d66cab7e171d1b7f01ba7c656bfab3dc363a2c609fc9cf0bd673d0

Aliases

arxiv: 1412.1840 · arxiv_version: 1412.1840v1 · doi: 10.48550/arxiv.1412.1840 · pith_short_12: N4KQEVCS2ZWK · pith_short_16: N4KQEVCS2ZWKW7QX · pith_short_8: N4KQEVCS

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/N4KQEVCS2ZWKW7QXDUNX6AN2PR \
  | 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: 6f15025452d66cab7e171d1b7f01ba7c656bfab3dc363a2c609fc9cf0bd673d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c620e58d2cd29229855f1cf90f256591d60f11363360f640c186f9baa768ccea",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-12-04T21:08:55Z",
    "title_canon_sha256": "84e54ffa573fac06b817a54f12e5f2e426569c6187d9961ff074a9fe469be428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1840",
    "kind": "arxiv",
    "version": 1
  }
}