Pith Number

pith:G7LBD4NG

pith:2022:G7LBD4NGUKKROQZQDUB4O7V2Z4

not attested not anchored not stored refs pending

The ortho-to-para ratio of water in interstellar clouds

A. Faure, A. Matthews, C. Rist, D. R. Flower, G. Pineau des For\^ets, P. Hily-Blant

arxiv:2201.02068 v1 · 2022-01-06 · 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{G7LBD4NGUKKROQZQDUB4O7V2Z4}

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.

Cited by

1 paper in Pith

A D/H Ratio Consistent with Earth's Water in Halley-type Comet 12P from ALMA HDO Mapping

Receipt and verification

First computed	2026-07-05T03:46:29.624347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d611f1a6a2951743301d03c77ebacf1779e13f1c79c7401e20f54d8a4f7e97

Aliases

arxiv: 2201.02068 · arxiv_version: 2201.02068v1 · doi: 10.48550/arxiv.2201.02068 · pith_short_12: G7LBD4NGUKKR · pith_short_16: G7LBD4NGUKKROQZQ · pith_short_8: G7LBD4NG

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/G7LBD4NGUKKROQZQDUB4O7V2Z4 \
  | 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: 37d611f1a6a2951743301d03c77ebacf1779e13f1c79c7401e20f54d8a4f7e97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "981b90731905199bbd65fbc1ef6ee028d283a436fc76580e1bea0a5f36979a79",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-06T14:18:05Z",
    "title_canon_sha256": "2d6baceff7ded5871ac1ef37f213743554ad8f47c2c217802db5d6dc3982fda5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02068",
    "kind": "arxiv",
    "version": 1
  }
}