Pith Number

pith:X6MANY3L

pith:2019:X6MANY3LGRAWHYV3GWPYG4LK7U

not attested not anchored not stored refs pending

Are the observed gaps in protoplanetary discs caused by growing planets?

Bertram Bitsch, Edward Jurua, Nelson Ndugu

arxiv:1906.11491 v1 · 2019-06-27 · 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{X6MANY3LGRAWHYV3GWPYG4LK7U}

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	2026-05-17T23:40:29.928971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf9806e36b344163e2bb359f83716afd37634b4908d8a0f3ee85c493592a7421

Aliases

arxiv: 1906.11491 · arxiv_version: 1906.11491v1 · doi: 10.48550/arxiv.1906.11491 · pith_short_12: X6MANY3LGRAW · pith_short_16: X6MANY3LGRAWHYV3 · pith_short_8: X6MANY3L

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/X6MANY3LGRAWHYV3GWPYG4LK7U \
  | 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: bf9806e36b344163e2bb359f83716afd37634b4908d8a0f3ee85c493592a7421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76337c5d53721dd5cceb07a43f636c2d05a0cb54abd4d1ec95186d1a868ae32d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-27T08:19:51Z",
    "title_canon_sha256": "2f63aaf17e1049c54a096263e26fad1b88b27faa9ea0af9cc5526d2c1366461d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11491",
    "kind": "arxiv",
    "version": 1
  }
}