Pith Number

pith:BYHQH3I2

pith:2014:BYHQH3I2M4X5ZJSSBTYPJIVMUB

not attested not anchored not stored refs pending

K2 Variable Catalogue I: A Catalogue of Variable Stars from K2 Field 0

D. J. A. Brown, D. J. Armstrong, D. L. Pollacco, H. P. Osborn, J. Kirk, J. Spake, K. W. F. Lam, S. R. Walker

arxiv:1411.6830 v2 · 2014-11-25 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYHQH3I2M4X5ZJSSBTYPJIVMUB}

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	2026-05-18T02:29:46.867963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0f03ed1a672fdca6520cf0f4a2aca04d0035172945c7c5b3fedd46abe6231e

Aliases

arxiv: 1411.6830 · arxiv_version: 1411.6830v2 · doi: 10.48550/arxiv.1411.6830 · pith_short_12: BYHQH3I2M4X5 · pith_short_16: BYHQH3I2M4X5ZJSS · pith_short_8: BYHQH3I2

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/BYHQH3I2M4X5ZJSSBTYPJIVMUB \
  | 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: 0e0f03ed1a672fdca6520cf0f4a2aca04d0035172945c7c5b3fedd46abe6231e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2b0d504f155d4b98d459f7dee188ccebc868df849c3ad159922ed25f31354ee",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-11-25T12:16:34Z",
    "title_canon_sha256": "68749a1517b5f2a6d09871281071b8bcf9e6b9f721ab2f309f5543f6fe5b7fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6830",
    "kind": "arxiv",
    "version": 2
  }
}