Pith Number

pith:VPPMIHW4

pith:2018:VPPMIHW4B26MHMMVBGRQDW7LQT

not attested not anchored not stored refs pending

Dynamics of Trees of Fragmenting Granules in the Quiet Sun: Hinode/SOT Observations Compared to Numerical Simulation

J.M. Malherbe, R. Stein, T. Roudier, Z. Frank

arxiv:1804.01870 v1 · 2018-04-05 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPPMIHW4B26MHMMVBGRQDW7LQT}

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	2026-05-18T00:18:48.641037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abdec41edc0ebcc3b19509a301dbeb84d846ee58cffba32ae3a2af8ba57df740

Aliases

arxiv: 1804.01870 · arxiv_version: 1804.01870v1 · doi: 10.48550/arxiv.1804.01870 · pith_short_12: VPPMIHW4B26M · pith_short_16: VPPMIHW4B26MHMMV · pith_short_8: VPPMIHW4

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/VPPMIHW4B26MHMMVBGRQDW7LQT \
  | 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: abdec41edc0ebcc3b19509a301dbeb84d846ee58cffba32ae3a2af8ba57df740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea0a1b8538205b8764b518aa8c5023bcda44cf52b0f40834f5c831e5777b82ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-05T14:20:46Z",
    "title_canon_sha256": "f6506028724c4f79225b7003a7a061d13d12e21dd438048174b812088a797176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01870",
    "kind": "arxiv",
    "version": 1
  }
}