Pith Number

pith:Q7UW4ETQ

pith:2025:Q7UW4ETQ5IJH5DCOVO6MBGLFHG

not attested not anchored not stored refs pending

Hydrogenation of HOCO and formation of interstellar CO$_2$: A not so straightforward relation

Atsuki Ishibashi, Germ\'an Molpeceres, Hiroshi Hidaka, Joan Enrique-Romero, Naoki Watanabe, Thanja Lamberts, Yasuhiro Oba, Yuri Aikawa

arxiv:2503.01692 v1 · 2025-03-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7UW4ETQ5IJH5DCOVO6MBGLFHG}

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	2026-07-05T10:23:12.599371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e96e1270ea127e8c4eabbcc0996539a8b79d7ecbda285365598e35ecc6c478

Aliases

arxiv: 2503.01692 · arxiv_version: 2503.01692v1 · doi: 10.48550/arxiv.2503.01692 · pith_short_12: Q7UW4ETQ5IJH · pith_short_16: Q7UW4ETQ5IJH5DCO · pith_short_8: Q7UW4ETQ

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/Q7UW4ETQ5IJH5DCOVO6MBGLFHG \
  | 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: 87e96e1270ea127e8c4eabbcc0996539a8b79d7ecbda285365598e35ecc6c478

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd34e329856458bad7a87faef8358bcd5aaa99a87b7cf971d3f96cdd22fb9f93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-03T16:04:50Z",
    "title_canon_sha256": "f06cc70988058b0f7c0ea3383f222c75f6ebf9acb37f16eca0436d3848c40407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.01692",
    "kind": "arxiv",
    "version": 1
  }
}