Pith Number

pith:ZPV4KBCN

pith:2025:ZPV4KBCN3JL5GUC6DUIQK7D2H5

not attested not anchored not stored refs pending

Planetesimal formation in a pressure bump induced by infall

Haichen Zhao, Joanna Dr\k{a}\.zkowska, Sebastian M. Stammler, Tilman Birnstiel, Tommy Chi Ho Lau

arxiv:2501.17857 v1 · 2025-01-29 · 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{ZPV4KBCN3JL5GUC6DUIQK7D2H5}

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	2026-07-05T10:06:59.293724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbebc5044dda57d3505e1d11057c7a3f51281e00cdacd978b90f26b2bd355d8e

Aliases

arxiv: 2501.17857 · arxiv_version: 2501.17857v1 · doi: 10.48550/arxiv.2501.17857 · pith_short_12: ZPV4KBCN3JL5 · pith_short_16: ZPV4KBCN3JL5GUC6 · pith_short_8: ZPV4KBCN

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/ZPV4KBCN3JL5GUC6DUIQK7D2H5 \
  | 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: cbebc5044dda57d3505e1d11057c7a3f51281e00cdacd978b90f26b2bd355d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a165a17074195482b42b2c3e4d9223431cc4b695a5f880ada877d82f5c2b883",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-01-29T18:57:25Z",
    "title_canon_sha256": "6ebd2eedee98288f337f1da34b630365a0b0d84d5cfec48cbf270497a5473d65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17857",
    "kind": "arxiv",
    "version": 1
  }
}