Pith Number

pith:Z25CZEAJ

pith:2020:Z25CZEAJVNBU2FQI46W4LBFMVL

not attested not anchored not stored refs pending

Comparing the reflectivity of ungrouped carbonaceous chondrites with that of short period comets like 2P/Encke

Iwan Williams, Jordi Llorca, Josep M. Trigo-Rodriguez, Jurgen Blum, Safoura Tanbakouei

arxiv:2007.06212 v1 · 2020-07-13 · 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{Z25CZEAJVNBU2FQI46W4LBFMVL}

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	2026-07-05T01:34:02.291092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceba2c9009ab434d1608e7adc584acaae3f5ad6e67ec9d4f3616e8d9d54ccd2d

Aliases

arxiv: 2007.06212 · arxiv_version: 2007.06212v1 · doi: 10.48550/arxiv.2007.06212 · pith_short_12: Z25CZEAJVNBU · pith_short_16: Z25CZEAJVNBU2FQI · pith_short_8: Z25CZEAJ

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/Z25CZEAJVNBU2FQI46W4LBFMVL \
  | 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: ceba2c9009ab434d1608e7adc584acaae3f5ad6e67ec9d4f3616e8d9d54ccd2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "866ef27d9a248624ccdb733458963baa835bd01c1d51f4af65089e0d5b99e21e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-07-13T07:08:54Z",
    "title_canon_sha256": "37f44bac362de2a146faf7a852547aee9c81e4db037d1ac31481745e2d6f9394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06212",
    "kind": "arxiv",
    "version": 1
  }
}