Pith Number

pith:AXNTEKLL

pith:2020:AXNTEKLL63LPCA2GCB4DABEMIA

not attested not anchored not stored refs pending

An experimental study of the surface formation of methane in interstellar molecular clouds

D. Qasim, E.F. van Dishoeck, G. Fedoseev, H. Linnartz, J. He, K.-J. Chuang, S. Ioppolo

arxiv:2004.02506 v2 · 2020-04-06 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXNTEKLL63LPCA2GCB4DABEMIA}

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.

Cited by

1 paper in Pith

Hydrogenation of acetaldehyde on interstellar ice analogs reveals limited destruction

Receipt and verification

First computed	2026-07-05T00:55:20.797098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05db32296bf6d6f10346107830048c4016ffdd516410bb79131b3c5fe467695e

Aliases

arxiv: 2004.02506 · arxiv_version: 2004.02506v2 · doi: 10.48550/arxiv.2004.02506 · pith_short_12: AXNTEKLL63LP · pith_short_16: AXNTEKLL63LPCA2G · pith_short_8: AXNTEKLL

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/AXNTEKLL63LPCA2GCB4DABEMIA \
  | 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: 05db32296bf6d6f10346107830048c4016ffdd516410bb79131b3c5fe467695e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f421c5c913128382e11cc6585b6dd467d2cc2f60bd6a389af8b46433445310f7",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-06T09:19:19Z",
    "title_canon_sha256": "8b64a8e00af6785cd78b31947dc745f92ad76756710193791967cf72d829843c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02506",
    "kind": "arxiv",
    "version": 2
  }
}