Pith Number

pith:3BLEMV3L

pith:2018:3BLEMV3LDBIA7I3PM4AV47XNKQ

not attested not anchored not stored refs pending

Reference-less algorithm for circumstellar disks imaging

Beno\^it Pairet, Faustine Cantalloube, Laurent Jacques

arxiv:1812.01333 v2 · 2018-12-04 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3BLEMV3LDBIA7I3PM4AV47XNKQ}

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	2026-05-17T23:52:45.350176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d85646576b18500fa36f67015e7eed542003ee470368e190ef58ad016c5957fa

Aliases

arxiv: 1812.01333 · arxiv_version: 1812.01333v2 · doi: 10.48550/arxiv.1812.01333 · pith_short_12: 3BLEMV3LDBIA · pith_short_16: 3BLEMV3LDBIA7I3P · pith_short_8: 3BLEMV3L

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/3BLEMV3LDBIA7I3PM4AV47XNKQ \
  | 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: d85646576b18500fa36f67015e7eed542003ee470368e190ef58ad016c5957fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb89bd201ce7902e77e1fa357f5bbf07cec02c22afa90ee51c9b0a67eda09548",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-12-04T11:04:52Z",
    "title_canon_sha256": "509c29a1870da9d1fcfd4dd12a2c8b3281769795ecb5b679cbb550a17bd7c15f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01333",
    "kind": "arxiv",
    "version": 2
  }
}