Pith Number

pith:EPXLYGYQ

pith:2022:EPXLYGYQZQNTVUEBVWDWIVKZRF

not attested not anchored not stored refs pending

First observation of a quadruple asteroid -- Detection of a third moon around (130) Elektra with SPHERE/IFS

Anthony Berdeu, Fr\'ed\'eric Vachier, Maud Langlois

arxiv:2202.04425 v1 · 2022-02-09 · astro-ph.EP · 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{EPXLYGYQZQNTVUEBVWDWIVKZRF}

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	2026-07-05T03:55:37.332079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23eebc1b10cc1b3ad081ad876455598962e241a7b692802b9faa4fb63b5ba270

Aliases

arxiv: 2202.04425 · arxiv_version: 2202.04425v1 · doi: 10.48550/arxiv.2202.04425 · pith_short_12: EPXLYGYQZQNT · pith_short_16: EPXLYGYQZQNTVUEB · pith_short_8: EPXLYGYQ

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/EPXLYGYQZQNTVUEBVWDWIVKZRF \
  | 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: 23eebc1b10cc1b3ad081ad876455598962e241a7b692802b9faa4fb63b5ba270

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bec422b9f40d083aadd529f67b21cec9ed9f5f55760e2b08a30cd4307e917801",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-02-09T12:35:09Z",
    "title_canon_sha256": "82d5dbebb091a9dba39f4873cb9497d352fdab25834665c4c74e1553b0e53870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04425",
    "kind": "arxiv",
    "version": 1
  }
}