Pith Number

pith:32VRGAVJ

pith:2025:32VRGAVJJ5TYS4IGSAF7SA7HSO

not attested not anchored not stored refs pending

How the microphysical properties of external photoevaporation influence the global evolution of protoplanetary discs

Gavin A. L. Coleman, Lin Qiao, Thomas J. Haworth

arxiv:2504.01825 v1 · 2025-04-02 · 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{32VRGAVJJ5TYS4IGSAF7SA7HSO}

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	2026-07-05T10:43:30.405260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deab1302a94f67897106900bf903e793b0908c72cb1fbd103fd6e249660756d2

Aliases

arxiv: 2504.01825 · arxiv_version: 2504.01825v1 · doi: 10.48550/arxiv.2504.01825 · pith_short_12: 32VRGAVJJ5TY · pith_short_16: 32VRGAVJJ5TYS4IG · pith_short_8: 32VRGAVJ

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/32VRGAVJJ5TYS4IGSAF7SA7HSO \
  | 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: deab1302a94f67897106900bf903e793b0908c72cb1fbd103fd6e249660756d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e4dd5bde8f96d40dd5e33fbd78b2b97742c13e612fdb24441c9e42786a1381",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-04-02T15:30:58Z",
    "title_canon_sha256": "a4d44f5078014b7b199ebc43c50d276552a6bb324da8f261f8e096dce939c55a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01825",
    "kind": "arxiv",
    "version": 1
  }
}