Pith Number

pith:R3H4A7NO

pith:2018:R3H4A7NOAAPMNS3EXZZ4CABHTX

not attested not anchored not stored refs pending

The nitrogen isotopic ratio of HC3N towards the L1544 prestellar core

A. Faure, B. Lefloch, C. Vastel, P. Hily-Blant, R. Bachiller, V. Magalhaes

arxiv:1806.04428 v1 · 2018-06-12 · astro-ph.GA

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

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	2026-05-18T00:11:46.612948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ecfc07dae001ec6cb64be73c100279df4ad9a4f4ed05fd5e3fc0fff1e6cdc6e

Aliases

arxiv: 1806.04428 · arxiv_version: 1806.04428v1 · doi: 10.48550/arxiv.1806.04428 · pith_short_12: R3H4A7NOAAPM · pith_short_16: R3H4A7NOAAPMNS3E · pith_short_8: R3H4A7NO

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/R3H4A7NOAAPMNS3EXZZ4CABHTX \
  | 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: 8ecfc07dae001ec6cb64be73c100279df4ad9a4f4ed05fd5e3fc0fff1e6cdc6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e313f95b08d7162659c8dc52d66e0bd0b50ec7d06d9928c65a9a5b587e0be77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-12T10:11:18Z",
    "title_canon_sha256": "0631baad8ae41582a2ae86a19b124ecbd3e0ac8201d55870d6a648eb216bbe0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04428",
    "kind": "arxiv",
    "version": 1
  }
}