Pith Number

pith:CJRNOWTB

pith:2020:CJRNOWTBJ5EILVLM2KBR2Z7A2N

not attested not anchored not stored refs pending

Nature of bright C-complex asteroids

Daisuke Kuroda, Fumihiko Usui, Sunao Hasegawa, Toshihiro Kasuga

arxiv:2012.07141 v1 · 2020-12-13 · 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{CJRNOWTBJ5EILVLM2KBR2Z7A2N}

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	2026-07-05T02:07:53.432836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1262d75a614f4885d56cd2831d67e0d37c87ff3022ee83bf48db697ec7a1b091

Aliases

arxiv: 2012.07141 · arxiv_version: 2012.07141v1 · doi: 10.48550/arxiv.2012.07141 · pith_short_12: CJRNOWTBJ5EI · pith_short_16: CJRNOWTBJ5EILVLM · pith_short_8: CJRNOWTB

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/CJRNOWTBJ5EILVLM2KBR2Z7A2N \
  | 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: 1262d75a614f4885d56cd2831d67e0d37c87ff3022ee83bf48db697ec7a1b091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb94a4c1cb2c9d6c16660efe927ab0c695d9acb49716091de560e4fc318045c9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-12-13T20:32:44Z",
    "title_canon_sha256": "35af3668451d65b32a613e68b2a09199fd040e1d0f7ded4367342d680badf6e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07141",
    "kind": "arxiv",
    "version": 1
  }
}