Pith Number

pith:COLO73UH

pith:2020:COLO73UHLSTOVIN2P66XNZCMLX

not attested not anchored not stored refs pending

Massive discs around low-mass stars

Cassandra Hall, Duncan Forgan, Emma Albertini, Farzana Meru, James Cadman, James E. Owen, Ken Rice, Thomas J. Haworth

arxiv:2001.06225 v3 · 2020-01-17 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COLO73UHLSTOVIN2P66XNZCMLX}

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	2026-07-05T00:55:08.790078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1396efee875ca6eaa1ba7fbd76e44c5ddbbeb4e854010753c24123807766a525

Aliases

arxiv: 2001.06225 · arxiv_version: 2001.06225v3 · doi: 10.48550/arxiv.2001.06225 · pith_short_12: COLO73UHLSTO · pith_short_16: COLO73UHLSTOVIN2 · pith_short_8: COLO73UH

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/COLO73UHLSTOVIN2P66XNZCMLX \
  | 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: 1396efee875ca6eaa1ba7fbd76e44c5ddbbeb4e854010753c24123807766a525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18d180d4830cfc7a0e619e61f6383ac90075b9ee8b42613065d2c700bc76fd2f",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-17T10:18:26Z",
    "title_canon_sha256": "a718fcef2dbcff791ef602a9d1c3248f63b43d9f643f7a6cba1310e104bcd1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.06225",
    "kind": "arxiv",
    "version": 3
  }
}