Pith Number

pith:3FA5W7TW

pith:2018:3FA5W7TWYALWAIE4PFV6DBXCWW

not attested not anchored not stored refs pending

Dusty spirals triggered by shadows in transition discs

Fabien Louvet, Jorge Cuadra, Mat\'ias Montesinos, Nicol\'as Cuello, Sebastian M. Stammler

arxiv:1811.08441 v1 · 2018-11-20 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FA5W7TWYALWAIE4PFV6DBXCWW}

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	2026-05-17T23:55:10.989830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d941db7e76c01760209c796be186e2b5a63d9321b236aad2cadd5f869dd9b9b0

Aliases

arxiv: 1811.08441 · arxiv_version: 1811.08441v1 · doi: 10.48550/arxiv.1811.08441 · pith_short_12: 3FA5W7TWYALW · pith_short_16: 3FA5W7TWYALWAIE4 · pith_short_8: 3FA5W7TW

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/3FA5W7TWYALWAIE4PFV6DBXCWW \
  | 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: d941db7e76c01760209c796be186e2b5a63d9321b236aad2cadd5f869dd9b9b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f699053f2564b009af0d80930989d90ad91dc4a989b1ba93e4bc3c8f2209ac9e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-20T19:00:07Z",
    "title_canon_sha256": "73116d61f27cc69c437612ffcf30b986172d0f6b64ad743b3b43192b6014fe87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08441",
    "kind": "arxiv",
    "version": 1
  }
}