Pith Number

pith:PORZNDUZ

pith:2015:PORZNDUZ4YYXTQF2KO6E4K27ZR

not attested not anchored not stored refs pending

Isotopic fractionation of carbon, deuterium and nitrogen : a full chemical study

E. Roueff, J.C. Loison, K.M. Hickson

arxiv:1501.01141 v2 · 2015-01-06 · 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{PORZNDUZ4YYXTQF2KO6E4K27ZR}

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	2026-05-18T01:41:14.351371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba3968e99e63179c0ba53bc4e2b5fcc6b9ecff7bd9d06d5b280cf7bdb8387c9

Aliases

arxiv: 1501.01141 · arxiv_version: 1501.01141v2 · doi: 10.48550/arxiv.1501.01141 · pith_short_12: PORZNDUZ4YYX · pith_short_16: PORZNDUZ4YYXTQF2 · pith_short_8: PORZNDUZ

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/PORZNDUZ4YYXTQF2KO6E4K27ZR \
  | 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: 7ba3968e99e63179c0ba53bc4e2b5fcc6b9ecff7bd9d06d5b280cf7bdb8387c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7fc67b144d7634c454aa8076a28f16e69c74386693cc3794f1f20a24978aed8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-06T10:47:05Z",
    "title_canon_sha256": "9a4dee08e36bf5ecc72b703281856373ba6ca43a4ed19ebe28406e927292be9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01141",
    "kind": "arxiv",
    "version": 2
  }
}