Pith Number

pith:MNXENDY6

pith:2019:MNXENDY6GOTC3VODLI7EBGRHLM

not attested not anchored not stored refs pending

Building protoplanetary disks from the molecular cloud: redefining the disk timeline

Joao Marques, Kevin Bailli\'e, Laurent Piau

arxiv:1903.03540 v1 · 2019-03-08 · 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{MNXENDY6GOTC3VODLI7EBGRHLM}

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	2026-05-17T23:48:23.284948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

636e468f1e33a62dd5c35a3e409a275b2a6a1176b3058c0993d1a8194ba6f785

Aliases

arxiv: 1903.03540 · arxiv_version: 1903.03540v1 · doi: 10.48550/arxiv.1903.03540 · pith_short_12: MNXENDY6GOTC · pith_short_16: MNXENDY6GOTC3VOD · pith_short_8: MNXENDY6

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/MNXENDY6GOTC3VODLI7EBGRHLM \
  | 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: 636e468f1e33a62dd5c35a3e409a275b2a6a1176b3058c0993d1a8194ba6f785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd3ac93b0930960ed4adecf23709caa9310094707f475a967882cc5b5fb59bde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-08T16:43:40Z",
    "title_canon_sha256": "c80d535b2d9a9631536a96026eecde2bfbb0588894f6d3fc60c15bd9369cc10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03540",
    "kind": "arxiv",
    "version": 1
  }
}