Pith Number

pith:YPYCQYLH

pith:2015:YPYCQYLHWLC7WNFDN32FGX5JLS

not attested not anchored not stored refs pending

Asteroid Family Physical Properties

Alex H. Parker, Francesca DeMeo, Joseph Masiero, Toshihiro Kasuga

arxiv:1502.00961 v1 · 2015-02-03 · astro-ph.EP

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

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	2026-05-18T01:07:17.552822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3f0286167b2c5fb34a36ef4535fa95cb76b0137435369d39ff1266859563dbb

Aliases

arxiv: 1502.00961 · arxiv_version: 1502.00961v1 · doi: 10.48550/arxiv.1502.00961 · pith_short_12: YPYCQYLHWLC7 · pith_short_16: YPYCQYLHWLC7WNFD · pith_short_8: YPYCQYLH

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/YPYCQYLHWLC7WNFDN32FGX5JLS \
  | 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: c3f0286167b2c5fb34a36ef4535fa95cb76b0137435369d39ff1266859563dbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "831f2d080076ad48d26416a304e0fccee47bbc35390ffb7d8199440865d2cfab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-03T19:07:05Z",
    "title_canon_sha256": "d9f383938290df092499a6eda3bb048f08bd085855dea3476115f5905c8ce815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00961",
    "kind": "arxiv",
    "version": 1
  }
}