Pith Number

pith:NHZVULEI

pith:2023:NHZVULEIZLWIUSEZSTZT4HFIGI

not attested not anchored not stored refs pending

A statistical and machine learning approach to the study of astrochemistry

Gijs Vermari\"en, Johannes Heyl, Serena Viti

arxiv:2306.05790 v1 · 2023-06-09 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHZVULEIZLWIUSEZSTZT4HFIGI}

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	2026-07-05T06:19:10.224761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69f35a2c88caec8a489994f33e1ca83210f76bcb5ab0f54f4cf77812b60f53c4

Aliases

arxiv: 2306.05790 · arxiv_version: 2306.05790v1 · doi: 10.48550/arxiv.2306.05790 · pith_short_12: NHZVULEIZLWI · pith_short_16: NHZVULEIZLWIUSEZ · pith_short_8: NHZVULEI

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/NHZVULEIZLWIUSEZSTZT4HFIGI \
  | 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: 69f35a2c88caec8a489994f33e1ca83210f76bcb5ab0f54f4cf77812b60f53c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b68891095c17d4cc7b26a4718e86d798d7b52bf9293ef42a4507da6fbb64cfd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-09T10:07:10Z",
    "title_canon_sha256": "e482049f40dfeb345caf87111328d247585edd72f92a30f4e3ed527e52252686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.05790",
    "kind": "arxiv",
    "version": 1
  }
}