Pith Number

pith:YR5UE2PM

pith:2012:YR5UE2PM3XRZ5B4T2DA6MEN7AS

not attested not anchored not stored refs pending

Polycrystalline {\gamma}-boron: As hard as polycrystalline cubic boron nitride

Duanwei He, Hiroaki Ohfuji, Jiaqian Qin, Li Lei, Norimasa Nishiyama, Tetsuo Irifune, Toru Shinmei

arxiv:1203.1748 v3 · 2012-03-08 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YR5UE2PM3XRZ5B4T2DA6MEN7AS}

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	2026-05-18T03:55:35.254373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c47b4269ecdde39e8793d0c1e611bf049c72c5176ee829f0ad8ccfc6c036e802

Aliases

arxiv: 1203.1748 · arxiv_version: 1203.1748v3 · doi: 10.48550/arxiv.1203.1748 · pith_short_12: YR5UE2PM3XRZ · pith_short_16: YR5UE2PM3XRZ5B4T · pith_short_8: YR5UE2PM

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/YR5UE2PM3XRZ5B4T2DA6MEN7AS \
  | 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: c47b4269ecdde39e8793d0c1e611bf049c72c5176ee829f0ad8ccfc6c036e802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb4025423f98576feb7545f2e98623340c66986c24288c5a74609d4ed2ecc143",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-03-08T10:58:46Z",
    "title_canon_sha256": "24ee33180f157fab8da062103adfb7f0e9b34a2393732e007b3c550ada4d5b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1748",
    "kind": "arxiv",
    "version": 3
  }
}