Pith Number

pith:DBPLP4DN

pith:2012:DBPLP4DNFI6KCOZO5GFLMXCZHO

not attested not anchored not stored refs pending

Cratering Experiments on the Self Armoring of Coarse-Grained Granular Targets

Akiko M. Nakamura, Carsten G\"uttler, Naru Hirata

arxiv:1206.5564 v1 · 2012-06-25 · 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{DBPLP4DNFI6KCOZO5GFLMXCZHO}

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	2026-05-18T01:56:42.557168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185eb7f06d2a3ca13b2ee98ab65c593bbea16b833c7660b1037c422d076ec3e3

Aliases

arxiv: 1206.5564 · arxiv_version: 1206.5564v1 · doi: 10.48550/arxiv.1206.5564 · pith_short_12: DBPLP4DNFI6K · pith_short_16: DBPLP4DNFI6KCOZO · pith_short_8: DBPLP4DN

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/DBPLP4DNFI6KCOZO5GFLMXCZHO \
  | 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: 185eb7f06d2a3ca13b2ee98ab65c593bbea16b833c7660b1037c422d076ec3e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aee6c08bf1e6927bd96a1269cdb8c9009085ea11afc0d265ba84fac79ebeb65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-06-25T02:59:40Z",
    "title_canon_sha256": "2cdb9b6cc20658e6b0405a8aecfbfd1c92ac3f84583e875985896a94f9c7975a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5564",
    "kind": "arxiv",
    "version": 1
  }
}