Pith Number

pith:YKNQKDFX

pith:2019:YKNQKDFXO5NBNCTDSLZKO6HNKL

not attested not anchored not stored refs pending

A three-phase approach to grain surface chemistry in protoplanetary disks: Gas, ice surfaces and ice mantles of dust grains

Maxime Ruaud, Uma Gorti

arxiv:1910.01097 v1 · 2019-10-02 · 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{YKNQKDFXO5NBNCTDSLZKO6HNKL}

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	2026-07-05T00:31:21.784874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c29b050cb7775a168a6392f2a778ed52c4a0c0ae2380c14ebdd28b8a28045379

Aliases

arxiv: 1910.01097 · arxiv_version: 1910.01097v1 · doi: 10.48550/arxiv.1910.01097 · pith_short_12: YKNQKDFXO5NB · pith_short_16: YKNQKDFXO5NBNCTD · pith_short_8: YKNQKDFX

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/YKNQKDFXO5NBNCTDSLZKO6HNKL \
  | 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: c29b050cb7775a168a6392f2a778ed52c4a0c0ae2380c14ebdd28b8a28045379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e365187fc9d7e2f28b362a2468d4eff4e26a5302ac9ea65a02a36a139e2ab1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-02T17:29:17Z",
    "title_canon_sha256": "c6d35088f401c6d4a470f2531ba000d6cb0a036f0c10e6bf7c193a21097f64ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01097",
    "kind": "arxiv",
    "version": 1
  }
}