Pith Number

pith:CHM4DDSP

pith:2019:CHM4DDSP7UVXKPQV5OMSLCGBPZ

not attested not anchored not stored refs pending

Abundances of sulphur molecules in the Horsehead nebula. First NS+ detection in a photodissociation region

A. Fuente, E. Roueff, J. C. Loison, J. Pety, J. R. Goicoechea, M. Gerin, P. Gratier, P. Rivi\`ere-Marichalar, R. Le Gal, V. Guzm\'an, V. Wakelam

arxiv:1906.09932 v1 · 2019-06-24 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHM4DDSP7UVXKPQV5OMSLCGBPZ}

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	2026-07-04T23:50:41.323397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11d9c18e4ffd2b753e15eb992588c17e5ebcd37a7c46a36338c3136cd5fc3585

Aliases

arxiv: 1906.09932 · arxiv_version: 1906.09932v1 · doi: 10.48550/arxiv.1906.09932 · pith_short_12: CHM4DDSP7UVX · pith_short_16: CHM4DDSP7UVXKPQV · pith_short_8: CHM4DDSP

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/CHM4DDSP7UVXKPQV5OMSLCGBPZ \
  | 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: 11d9c18e4ffd2b753e15eb992588c17e5ebcd37a7c46a36338c3136cd5fc3585

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e060a2b2806a785029c9e2f1307f82c44e95fc67a4e7809136e1e8eed4cfa8c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-24T13:24:23Z",
    "title_canon_sha256": "c7b32a7787fe8228abfe0510a3c5fc2c992bad9eff936a0e003ac37d0f331412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09932",
    "kind": "arxiv",
    "version": 1
  }
}