Pith Number

pith:U3PHPAJ4

pith:2014:U3PHPAJ4MLAGTVN2QAT5OZFUNL

not attested not anchored not stored refs pending

Feasibility of transit photometry of nearby debris discs

(2) Astronomy Department, 3), (3) SRON-Netherlands Institute for Space Research, Berkeley, Leiden, M.A. Kenworthy (1), P. Kalas (2) ((1) Leiden Observatory, S.T. Zeegers (1, the Netherlands), The Netherlands, University of California, Utrecht

arxiv:1402.7227 v1 · 2014-02-28 · 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{U3PHPAJ4MLAGTVN2QAT5OZFUNL}

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	2026-05-18T02:57:34.606553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6de77813c62c069d5ba8027d764b46ac97a68ba2e6c176f61993203de945159

Aliases

arxiv: 1402.7227 · arxiv_version: 1402.7227v1 · doi: 10.48550/arxiv.1402.7227 · pith_short_12: U3PHPAJ4MLAG · pith_short_16: U3PHPAJ4MLAGTVN2 · pith_short_8: U3PHPAJ4

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/U3PHPAJ4MLAGTVN2QAT5OZFUNL \
  | 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: a6de77813c62c069d5ba8027d764b46ac97a68ba2e6c176f61993203de945159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f46510116445c29d9083003d7aa57d0c8df60ddcac7be6639aedd3213648e4b9",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-02-28T12:50:28Z",
    "title_canon_sha256": "279ccdf99ae2f7aa9993c86b64b303eeba06af6015059f995e09a4561f56266a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7227",
    "kind": "arxiv",
    "version": 1
  }
}