Pith Number

pith:7427CCLW

pith:2018:7427CCLWHAAW73EDKEUIUZQMEU

not attested not anchored not stored refs pending

Multiple paths of deuterium fractionation in protoplanetary disks

Eric Herbst, Kenji Furuya, Ugo Hincelin, Yuri Aikawa

arxiv:1803.02498 v1 · 2018-03-07 · astro-ph.SR · 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{7427CCLWHAAW73EDKEUIUZQMEU}

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	2026-05-18T00:20:01.670413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff35f1097638016fec8351288a660c25217bc8e9e347effefdf19333819178d0

Aliases

arxiv: 1803.02498 · arxiv_version: 1803.02498v1 · doi: 10.48550/arxiv.1803.02498 · pith_short_12: 7427CCLWHAAW · pith_short_16: 7427CCLWHAAW73ED · pith_short_8: 7427CCLW

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/7427CCLWHAAW73EDKEUIUZQMEU \
  | 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: ff35f1097638016fec8351288a660c25217bc8e9e347effefdf19333819178d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6637c9e494441ce7318b4bdb69037d7e3d88fbb7ccabdde11a1575c30168c22d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-07T01:43:23Z",
    "title_canon_sha256": "6bc1fe46cc62fc73f6dbc4925608a0a35bb0a8df9d8d5ab603b4cd4106ad7b3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02498",
    "kind": "arxiv",
    "version": 1
  }
}