Pith Number

pith:NBC3ITGD

pith:2020:NBC3ITGDCLPMEBSN7HRBDM5YFG

not attested not anchored not stored refs pending

Angular Momenta, Magnetization, and Accretion of Protostellar Cores

Aleksandra Kuznetsova, Fabian Heitsch, Lee Hartmann

arxiv:2003.13697 v1 · 2020-03-30 · astro-ph.SR · 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{NBC3ITGDCLPMEBSN7HRBDM5YFG}

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	2026-07-05T00:58:51.507460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6845b44cc312dec2064df9e211b3b82989c13f2f07999160072e6a4eca23fb12

Aliases

arxiv: 2003.13697 · arxiv_version: 2003.13697v1 · doi: 10.48550/arxiv.2003.13697 · pith_short_12: NBC3ITGDCLPM · pith_short_16: NBC3ITGDCLPMEBSN · pith_short_8: NBC3ITGD

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/NBC3ITGDCLPMEBSN7HRBDM5YFG \
  | 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: 6845b44cc312dec2064df9e211b3b82989c13f2f07999160072e6a4eca23fb12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "642401dda7bd085ba457e4b3a0a241250355a61e434f15dc3b393de72db65eaa",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-30T18:00:01Z",
    "title_canon_sha256": "6c5893a5fda373ff4a4079048b34aeb439ffdb74196651205ce10a2e102571ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13697",
    "kind": "arxiv",
    "version": 1
  }
}