Pith Number

pith:R5KRAV6S

pith:2021:R5KRAV6SLFCHU56UOQ4AHXZ47N

not attested not anchored not stored refs pending

Formation of complex organic molecules in molecular clouds: acetaldehyde, vinyl alcohol, ketene, and ethanol via the "energetic" processing of C$_2$H$_2$ ice

C. J\"ager, C. Scir\`e, G. A. Baratta, G. Fedoseev, H. Linnartz, K.-J. Chuang, M. E. Palumbo, Th. Henning

arxiv:2104.09434 v1 · 2021-04-19 · 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{R5KRAV6SLFCHU56UOQ4AHXZ47N}

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	2026-07-05T02:49:47.906210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f551057d259447a77d4743803df3cfb4d9295285d3104f18cc0024a689a5672

Aliases

arxiv: 2104.09434 · arxiv_version: 2104.09434v1 · doi: 10.48550/arxiv.2104.09434 · pith_short_12: R5KRAV6SLFCH · pith_short_16: R5KRAV6SLFCHU56U · pith_short_8: R5KRAV6S

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/R5KRAV6SLFCHU56UOQ4AHXZ47N \
  | 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: 8f551057d259447a77d4743803df3cfb4d9295285d3104f18cc0024a689a5672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16d43d65bc6152e1ff1f4073987564d5d542faf7a4b059654daefcebae083285",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-19T16:28:37Z",
    "title_canon_sha256": "98e3597c717a03345e861478643a0e71595fdf71f970cb407264a3206c3d8be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09434",
    "kind": "arxiv",
    "version": 1
  }
}