Pith Number

pith:NWVBJF3H

pith:2021:NWVBJF3HW3TPIXRSZVFQLU2NQQ

not attested not anchored not stored refs pending

Organic chemistry in the protosolar analogue HOPS-108: Environment matters

A. L\'opez-Sepulcre, C. Ceccarelli, C. Codella, C. Favre, E. Bianchi, F. O. Alves, L. Chahine, L. Podio, M. Bouvier, N. Sakai, R. Neri, S. Mercimek, S. Yamamoto

arxiv:2112.08077 v1 · 2021-12-15 · astro-ph.GA · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWVBJF3HW3TPIXRSZVFQLU2NQQ}

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	2026-07-05T03:49:27.955389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6daa149767b6e6f45e32cd4b05d34d8404a16d1e6204d3bea230abbd1ebb6e75

Aliases

arxiv: 2112.08077 · arxiv_version: 2112.08077v1 · doi: 10.48550/arxiv.2112.08077 · pith_short_12: NWVBJF3HW3TP · pith_short_16: NWVBJF3HW3TPIXRS · pith_short_8: NWVBJF3H

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/NWVBJF3HW3TPIXRSZVFQLU2NQQ \
  | 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: 6daa149767b6e6f45e32cd4b05d34d8404a16d1e6204d3bea230abbd1ebb6e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e23f81af2e6341ec0a3a481120cda8d3a5bd8c25dcddb91d6781949b867c3371",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-15T12:32:51Z",
    "title_canon_sha256": "ac3b0ff4a01675535d66b42e8bc69ae8ffcbc34355b1e53981e1774b6c9f6e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08077",
    "kind": "arxiv",
    "version": 1
  }
}