Pith Number

pith:E54ZSD2P

pith:2013:E54ZSD2PD4T7MWNEQEBPSXMN5R

not attested not anchored not stored refs pending

Unusual Low Temperature Reactivity of Water. The CH + H2O Reaction as a Source of Interstellar Formaldehyde?

Jean-Christophe Loison, Kevin Hickson, Philippe Caubet

arxiv:1308.3958 v1 · 2013-08-19 · astro-ph.GA · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E54ZSD2PD4T7MWNEQEBPSXMN5R}

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	2026-05-18T03:15:35.171115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2779990f4f1f27f659a48102f95d8dec6dace4d335a4ed0398796da4e29ab6cf

Aliases

arxiv: 1308.3958 · arxiv_version: 1308.3958v1 · doi: 10.48550/arxiv.1308.3958 · pith_short_12: E54ZSD2PD4T7 · pith_short_16: E54ZSD2PD4T7MWNE · pith_short_8: E54ZSD2P

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/E54ZSD2PD4T7MWNEQEBPSXMN5R \
  | 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: 2779990f4f1f27f659a48102f95d8dec6dace4d335a4ed0398796da4e29ab6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f56769a2a3fdf976d27556ab3cf2ebc384aefeb84dfac388dbb74fe63bb4e6be",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-19T09:11:05Z",
    "title_canon_sha256": "99436d68fa3b672087411bf870b9846569d3a74a2d2b2c84e29dfe94e3f90c35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3958",
    "kind": "arxiv",
    "version": 1
  }
}