Pith Number

pith:XPRRHPQQ

pith:2010:XPRRHPQQTU3OU34DBEZBRITLUG

not attested not anchored not stored refs pending

Grain sedimentation inside giant planet embryos

Sergei Nayakshin (Leicester)

arxiv:1007.4162 v1 · 2010-07-23 · astro-ph.EP · 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{XPRRHPQQTU3OU34DBEZBRITLUG}

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	2026-05-18T02:06:11.070814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbe313be109d36ea6f83093218a26ba1831a8fe182eac52508decec604547310

Aliases

arxiv: 1007.4162 · arxiv_version: 1007.4162v1 · doi: 10.48550/arxiv.1007.4162 · pith_short_12: XPRRHPQQTU3O · pith_short_16: XPRRHPQQTU3OU34D · pith_short_8: XPRRHPQQ

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/XPRRHPQQTU3OU34DBEZBRITLUG \
  | 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: bbe313be109d36ea6f83093218a26ba1831a8fe182eac52508decec604547310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f6a86ca5a297e866f8cfa75fd221d86913cb815785d52f4ab24dbcbeb6a65f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-07-23T15:43:46Z",
    "title_canon_sha256": "5f4c03d1702954782be9dc3bcd7cf83e06bb3c499904ac8dbdcf3c8bb90a1813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4162",
    "kind": "arxiv",
    "version": 1
  }
}