Pith Number

pith:I5EXXPG3

pith:2010:I5EXXPG3XNZCH5QMLSRSRQ4DFF

not attested not anchored not stored refs pending

Chemical Processes in Protoplanetary Disks

(2) Kyoto University), Catherine Walsh (1), Hideko Nomura (2) ((1) Queen's University Belfast, T. J. Millar (1)

arxiv:1008.4305 v2 · 2010-08-25 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5EXXPG3XNZCH5QMLSRSRQ4DFF}

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	2026-05-18T02:05:42.852513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47497bbcdbbb7223f60c5ca328c383294b0b2a899634d69ef6bd3ff5b4715a23

Aliases

arxiv: 1008.4305 · arxiv_version: 1008.4305v2 · doi: 10.48550/arxiv.1008.4305 · pith_short_12: I5EXXPG3XNZC · pith_short_16: I5EXXPG3XNZCH5QM · pith_short_8: I5EXXPG3

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/I5EXXPG3XNZCH5QMLSRSRQ4DFF \
  | 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: 47497bbcdbbb7223f60c5ca328c383294b0b2a899634d69ef6bd3ff5b4715a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "061becbf0046a0504727af54c73517f6d0e77af2bda0c23f02a6891b4a57cb6b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-25T15:51:03Z",
    "title_canon_sha256": "349888a43b95a3d40f635068c481bff7bbbde55b39bfec5ecd6272a5eb45df91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4305",
    "kind": "arxiv",
    "version": 2
  }
}