Pith Number

pith:7HDVUTOQ

pith:2026:7HDVUTOQZAGJQHT5NE32QP7JW2

not attested not anchored not stored refs pending

Accretion across scales: streamers, surface-layer transport, and rapid replenishment in young protoplanetary discs

{\AA}ke Nordlund, Anders Johansen, Christian Granzow Holm, Michael Kuffmeier, Michiel Lambrechts, Troels Haugb{\o}lle

arxiv:2608.02204 v1 · 2026-08-03 · 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{7HDVUTOQZAGJQHT5NE32QP7JW2}

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	2026-08-04T02:11:24.074489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c75a4dd0c80c981e7d6937a83fe9b6b7eebea5d981ecf503757b1ce5cc9b54

Aliases

arxiv: 2608.02204 · arxiv_version: 2608.02204v1 · doi: 10.48550/arxiv.2608.02204 · pith_short_12: 7HDVUTOQZAGJ · pith_short_16: 7HDVUTOQZAGJQHT5 · pith_short_8: 7HDVUTOQ

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/7HDVUTOQZAGJQHT5NE32QP7JW2 \
  | 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: f9c75a4dd0c80c981e7d6937a83fe9b6b7eebea5d981ecf503757b1ce5cc9b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a91239ed2f07a936dc7d12438499a2364265040939186eee2b71a4d318754d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-08-03T13:28:59Z",
    "title_canon_sha256": "00c095b1dd5708ee92be78026f337c480a5183c0646bb770d88cd10a02e852d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02204",
    "kind": "arxiv",
    "version": 1
  }
}