Pith Number

pith:SVC7T52B

pith:2025:SVC7T52BIYF2YIEAILLNXCFF3F

not attested not anchored not stored refs pending

Production of linear alkanes via the solid-state hydrogenation of interstellar polyynes

G. A. Baratta, G. Fedoseev, K.-J. Chuang, M. E. Palumbo, X. Li

arxiv:2501.03031 v1 · 2025-01-06 · astro-ph.EP · astro-ph.GA · astro-ph.SR · 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{SVC7T52BIYF2YIEAILLNXCFF3F}

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	2026-07-05T09:57:29.397397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9545f9f741460bac208042d6db88a5d94b74f22a0df7eada1b3a3c330d1cd005

Aliases

arxiv: 2501.03031 · arxiv_version: 2501.03031v1 · doi: 10.48550/arxiv.2501.03031 · pith_short_12: SVC7T52BIYF2 · pith_short_16: SVC7T52BIYF2YIEA · pith_short_8: SVC7T52B

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/SVC7T52BIYF2YIEAILLNXCFF3F \
  | 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: 9545f9f741460bac208042d6db88a5d94b74f22a0df7eada1b3a3c330d1cd005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b047ef4c75e8303b38228a7d5f605bfa5f3caae43614e4c378581a0ab7f4c3",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR",
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-01-06T14:18:26Z",
    "title_canon_sha256": "c1acbb41206ca32df3af4e0e4b3ddff78dff53d6efd8710f74d437ff7f58cfae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03031",
    "kind": "arxiv",
    "version": 1
  }
}