Pith Number

pith:4AIWYHJB

pith:2016:4AIWYHJBC2BUFNIAMOV5PY3KSB

not attested not anchored not stored refs pending

Ionization fraction and the enhanced sulfur chemistry in Barnard 1

A. Aguado, A. Fuente, B. Lefloch, E. Roueff, J. Cernicharo, J. Pety, M. Gerin, N. Marcelino, O. Roncero, R. Bachiller

arxiv:1605.04724 v2 · 2016-05-16 · 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{4AIWYHJBC2BUFNIAMOV5PY3KSB}

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	2026-05-18T01:03:18.995058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0116c1d21168342b50063abd7e36a907b513db2f073881f6f20d97ea10f662c

Aliases

arxiv: 1605.04724 · arxiv_version: 1605.04724v2 · doi: 10.48550/arxiv.1605.04724 · pith_short_12: 4AIWYHJBC2BU · pith_short_16: 4AIWYHJBC2BUFNIA · pith_short_8: 4AIWYHJB

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/4AIWYHJBC2BUFNIAMOV5PY3KSB \
  | 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: e0116c1d21168342b50063abd7e36a907b513db2f073881f6f20d97ea10f662c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f65f05a3ba3b1521a8f751032246edb6b6dce4864533ff759ea10d9087a9c8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-16T10:42:52Z",
    "title_canon_sha256": "b43cc72deabcb3987a4606c3799784b24b8b84d0df7042f89fc42c1e90533af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04724",
    "kind": "arxiv",
    "version": 2
  }
}