Pith Number

pith:W2FNSHG7

pith:2011:W2FNSHG7WF6PY4QQ3ENVCCIODA

not attested not anchored not stored refs pending

On the Evolution of Dust Mineralogy, From Protoplanetary Disks to Planetary Systems

Bruno Merin, Ewine F. van Dishoeck, Isa Oliveira, Jean-Charles Augereau, Johan Olofsson, Klaus M. Pontoppidan

arxiv:1104.3574 v1 · 2011-04-18 · 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{W2FNSHG7WF6PY4QQ3ENVCCIODA}

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	2026-05-18T02:02:23.367146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68ad91cdfb17cfc7210d91b51090e183154a7760e3f247680f4e14d44090555

Aliases

arxiv: 1104.3574 · arxiv_version: 1104.3574v1 · doi: 10.48550/arxiv.1104.3574 · pith_short_12: W2FNSHG7WF6P · pith_short_16: W2FNSHG7WF6PY4QQ · pith_short_8: W2FNSHG7

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/W2FNSHG7WF6PY4QQ3ENVCCIODA \
  | 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: b68ad91cdfb17cfc7210d91b51090e183154a7760e3f247680f4e14d44090555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ce046f56a8631b9c8905ea4168605714d81351bde57d07dc945eca6b46ab481",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-04-18T20:00:00Z",
    "title_canon_sha256": "afa1565d38e8e7b5e185e7674c9711a14828333360a979a02b75d33dd2db84ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3574",
    "kind": "arxiv",
    "version": 1
  }
}