Pith Number

pith:FZH5A536

pith:2018:FZH5A536NPYT3IYPGIDUT4ODQG

not attested not anchored not stored refs pending

Protonated CO2 in massive star-forming clumps

A. Vagnoli, F. Fontani, L. Colzi, M. Padovani, P. Caselli, V.M. Rivilla

arxiv:1808.10179 v1 · 2018-08-30 · 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{FZH5A536NPYT3IYPGIDUT4ODQG}

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	2026-05-18T00:05:27.845779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4fd0777e6bf13da30f320749f1c381b1c84e8862ea16c6d2989802dc3e3c68

Aliases

arxiv: 1808.10179 · arxiv_version: 1808.10179v1 · doi: 10.48550/arxiv.1808.10179 · pith_short_12: FZH5A536NPYT · pith_short_16: FZH5A536NPYT3IYP · pith_short_8: FZH5A536

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/FZH5A536NPYT3IYPGIDUT4ODQG \
  | 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: 2e4fd0777e6bf13da30f320749f1c381b1c84e8862ea16c6d2989802dc3e3c68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80684d38e5dcd7bffe86a37ef384c6411bd851adce1e584e45cfa715c47215c0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-30T08:34:12Z",
    "title_canon_sha256": "f839dcd2304020c4fd0d562da6789b56ec6de7d4a3df47f9fb06df11b8b3235a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10179",
    "kind": "arxiv",
    "version": 1
  }
}