Pith Number

pith:UK3V5FR2

pith:2018:UK3V5FR2XNKFIDQYLT5U7AQPZI

not attested not anchored not stored refs pending

G331.512-0.103: An Interstellar Laboratory for Molecular Synthesis I. The Ortho-to-para Ratios for CH$_3$OH and CH$_3$CN

C. Herv\'ias-Caimapo, D. R. G. Gama, E. Mendoza, J. R. D. L\'epine, L.-A. Nyman, L. Bronfman, M. Merello, N. Reyes, N. U. Duronea, R. Finger

arxiv:1801.06019 v1 · 2018-01-18 · 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{UK3V5FR2XNKFIDQYLT5U7AQPZI}

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	2026-05-18T00:23:27.439209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b75e963abb54540e185cfb4f820fca3a12b02396468f167f9717f4bac67312

Aliases

arxiv: 1801.06019 · arxiv_version: 1801.06019v1 · doi: 10.48550/arxiv.1801.06019 · pith_short_12: UK3V5FR2XNKF · pith_short_16: UK3V5FR2XNKFIDQY · pith_short_8: UK3V5FR2

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/UK3V5FR2XNKFIDQYLT5U7AQPZI \
  | 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: a2b75e963abb54540e185cfb4f820fca3a12b02396468f167f9717f4bac67312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb13e646f1b09d633ff5b4bdc640817dc76658176da6e812b9d8f9a2f65193e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-18T13:59:51Z",
    "title_canon_sha256": "5bdf71492bec22938651d319d65a130cca2910bdd64731cbb9705368b937a166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06019",
    "kind": "arxiv",
    "version": 1
  }
}