Pith Number

pith:DSIYEW5A

pith:2015:DSIYEW5AB34NNAHOKC7AGD6I3C

not attested not anchored not stored refs pending

Gas phase formation of the prebiotic molecule formamide: insights from new quantum computations

B. Lefloch, C. Ceccarelli, C. Latouche, D. Skouteris, F. Vazart, N. Balucani, V. Barone

arxiv:1507.03741 v2 · 2015-07-14 · astro-ph.GA · astro-ph.EP · 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{DSIYEW5AB34NNAHOKC7AGD6I3C}

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	2026-05-18T01:35:06.965901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c91825ba00ef8d680ee50be030fc8d8a5762219c054e12b970189e9f42b1709

Aliases

arxiv: 1507.03741 · arxiv_version: 1507.03741v2 · doi: 10.48550/arxiv.1507.03741 · pith_short_12: DSIYEW5AB34N · pith_short_16: DSIYEW5AB34NNAHO · pith_short_8: DSIYEW5A

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/DSIYEW5AB34NNAHOKC7AGD6I3C \
  | 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: 1c91825ba00ef8d680ee50be030fc8d8a5762219c054e12b970189e9f42b1709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2051cf51f31d4754151cf240e8a1ecc53dc791e581e84e585514161292a328e4",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-14T07:10:38Z",
    "title_canon_sha256": "8599d41f3554d2364007154d6cddd29e237bb987f6f1afca8ecd787db662f38f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03741",
    "kind": "arxiv",
    "version": 2
  }
}