Pith Number

pith:3D2XYGPD

pith:2022:3D2XYGPDTS7ZOTGXHXN7LHCEZI

not attested not anchored not stored refs pending

The evolution of HCO$^{+}$ in molecular clouds using a novel chemical post-processing algorithm

A. T. Barnes, B. Gaches, D. Seifried, F. Bigiel, L. Neumann, M. Panessa, S. Walch

arxiv:2210.06251 v2 · 2022-10-12 · 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{3D2XYGPDTS7ZOTGXHXN7LHCEZI}

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	2026-07-05T06:33:17.320123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8f57c19e39cbf974cd73ddbf59c44ca26f60f2f05f18c9a9125785e6150be7b

Aliases

arxiv: 2210.06251 · arxiv_version: 2210.06251v2 · doi: 10.48550/arxiv.2210.06251 · pith_short_12: 3D2XYGPDTS7Z · pith_short_16: 3D2XYGPDTS7ZOTGX · pith_short_8: 3D2XYGPD

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/3D2XYGPDTS7ZOTGXHXN7LHCEZI \
  | 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: d8f57c19e39cbf974cd73ddbf59c44ca26f60f2f05f18c9a9125785e6150be7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c84b3edac17c44987f14691fba47f821f17747afd561bad6a394a2f03c4145a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-10-12T14:34:32Z",
    "title_canon_sha256": "9c1c387e35b28af35d4ffce06d7e6d69ba63d861ca5f8af8e455e42f5ce0547a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.06251",
    "kind": "arxiv",
    "version": 2
  }
}