Pith Number

pith:4R57J44W

pith:2015:4R57J44W7XGD77LMMQUCC4UI6O

not attested not anchored not stored refs pending

Ortho-to-para ratio of NH2. Herschel-HIFI observations of ortho- and para-NH2 rotational transitions towards W31C, W49N, W51 and G34.3+0.1

A. Faure, A.O.H. Olofsson, C.M. Persson, D. Lis, E. Herbst, E.S. Wirstr\"om, F. Wyrowski, G.E. Hassel, J.H. Black, M. Gerin, M. Olberg, P. Hily-Blant, R. Le Gal

arxiv:1511.05486 v2 · 2015-11-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4R57J44W7XGD77LMMQUCC4UI6O}

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	2026-05-18T01:21:04.136385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47bf4f396fdcc3ffd6c6428217288f3be99a50a6bc4844272f844670815eb9b

Aliases

arxiv: 1511.05486 · arxiv_version: 1511.05486v2 · doi: 10.48550/arxiv.1511.05486 · pith_short_12: 4R57J44W7XGD · pith_short_16: 4R57J44W7XGD77LM · pith_short_8: 4R57J44W

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/4R57J44W7XGD77LMMQUCC4UI6O \
  | 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: e47bf4f396fdcc3ffd6c6428217288f3be99a50a6bc4844272f844670815eb9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e232066cff7ef6210233c2b3ab8c96b51b7e4fefec9f03056188a9db0a214e33",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-17T17:43:25Z",
    "title_canon_sha256": "6187744887fec44814a64f1dc910e1026eced8f4f94c9a085a55f4109402061f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05486",
    "kind": "arxiv",
    "version": 2
  }
}