Pith Number

pith:I3NPR4EP

pith:2002:I3NPR4EP432N2GAKB4A54GW4XY

not attested not anchored not stored refs pending

Asteroids Observed by The Sloan Digital Sky Survey

M. Juric, R.H. Lupton, S. Tabachnik, T. Quinn, Z. Ivezic

arxiv:astro-ph/0208099 v1 · 2002-08-05 · astro-ph

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	2026-05-18T04:20:36.284461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46daf8f08fe6f4dd180a0f01de1adcbe1207eaa4d87af7ba9137b8271c191840

Aliases

arxiv: astro-ph/0208099 · arxiv_version: astro-ph/0208099v1 · doi: 10.48550/arxiv.astro-ph/0208099 · pith_short_12: I3NPR4EP432N · pith_short_16: I3NPR4EP432N2GAK · pith_short_8: I3NPR4EP

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/I3NPR4EP432N2GAKB4A54GW4XY \
  | 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: 46daf8f08fe6f4dd180a0f01de1adcbe1207eaa4d87af7ba9137b8271c191840

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834e92249a54d604a8bebde10070e380044b835c1c40a6f6cf9dc6168dbabd56",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-05T18:49:36Z",
    "title_canon_sha256": "10a691d858935ff415d24423129c21a05583727199d33273d0abda08e2f01c01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208099",
    "kind": "arxiv",
    "version": 1
  }
}