Pith Number

pith:FFTLTNPS

pith:2019:FFTLTNPSW4O7GSCQTKST2IIY3A

not attested not anchored not stored refs pending

The Case of H$_2$C$_3$O Isomers, Revisited: Solving the Mystery of the Missing Propadienone

Christopher N. Shingledecker, Johannes K\"astner, Sonia \'Alvarez-Barcia, Viktoria H. Korn

arxiv:1904.11396 v1 · 2019-04-25 · astro-ph.GA · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFTLTNPSW4O7GSCQTKST2IIY3A}

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	2026-05-17T23:42:19.630073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2966b9b5f2b71df348509aa53d2118d837d7225d0e6a888d5f376bab39a21558

Aliases

arxiv: 1904.11396 · arxiv_version: 1904.11396v1 · doi: 10.48550/arxiv.1904.11396 · pith_short_12: FFTLTNPSW4O7 · pith_short_16: FFTLTNPSW4O7GSCQ · pith_short_8: FFTLTNPS

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/FFTLTNPSW4O7GSCQTKST2IIY3A \
  | 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: 2966b9b5f2b71df348509aa53d2118d837d7225d0e6a888d5f376bab39a21558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "230710185d0a1042e3f89aa3ed8e438bc671abb21f5d2dd200bccf2f564aee56",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-25T15:01:04Z",
    "title_canon_sha256": "892d99a7cf7bd4b11fc3d33962e73db4356743cf54bddf938747b15a7a6b7c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11396",
    "kind": "arxiv",
    "version": 1
  }
}