Pith Number

pith:PPYTWJT5

pith:2019:PPYTWJT5QEZA5PUOWCJY2YU742

not attested not anchored not stored refs pending

Yarkovsky effect detection and updated impact hazard assessment for Near-Earth Asteroid (410777) 2009 FD

Alessio Del Vigna, Dave Tholen, Davide Farnocchia, Federica Spoto, Francesca Guerra, Giovanni Battista Valsecchi, Javier Roa, Marco Micheli

arxiv:1906.05696 v2 · 2019-06-12 · 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{PPYTWJT5QEZA5PUOWCJY2YU742}

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	2026-05-17T23:39:43.125806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bf13b267d81320ebe8eb0938d629fe691ad372fea503548383c9600b5ca5dcf

Aliases

arxiv: 1906.05696 · arxiv_version: 1906.05696v2 · doi: 10.48550/arxiv.1906.05696 · pith_short_12: PPYTWJT5QEZA · pith_short_16: PPYTWJT5QEZA5PUO · pith_short_8: PPYTWJT5

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/PPYTWJT5QEZA5PUOWCJY2YU742 \
  | 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: 7bf13b267d81320ebe8eb0938d629fe691ad372fea503548383c9600b5ca5dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44a9c4404f66fc338139f7d70794fa61471283fa7213ff7266d02890fa1d343b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-12T11:57:44Z",
    "title_canon_sha256": "27dfcc040c72edcac7b4a21a48f2e710b2291d8ff75e2e1aafbba967d9cf3439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05696",
    "kind": "arxiv",
    "version": 2
  }
}