Pith Number

pith:OQJBHGXE

pith:2017:OQJBHGXE2A2W375SRNM6YYN5PB

not attested not anchored not stored refs pending

From Nodal Chain Semimetal To Weyl Semimetal in HfC

Hongming Weng, Quansheng Wu, Rui Yu, Zhong Fang

arxiv:1701.08502 v2 · 2017-01-30 · 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{OQJBHGXE2A2W375SRNM6YYN5PB}

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	2026-05-18T00:39:52.669110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7412139ae4d0356dffb28b59ec61bd78550744fdc694a91a43b806c1436858e4

Aliases

arxiv: 1701.08502 · arxiv_version: 1701.08502v2 · doi: 10.48550/arxiv.1701.08502 · pith_short_12: OQJBHGXE2A2W · pith_short_16: OQJBHGXE2A2W375S · pith_short_8: OQJBHGXE

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/OQJBHGXE2A2W375SRNM6YYN5PB \
  | 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: 7412139ae4d0356dffb28b59ec61bd78550744fdc694a91a43b806c1436858e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e10354ef3f78e0bc5c49d67350d99f71af1af32f246d586d645408bd953ec9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-01-30T07:20:14Z",
    "title_canon_sha256": "9243bd02b80f0447f5e2b115280a2e1688d898307656a52b36094678a6141be4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08502",
    "kind": "arxiv",
    "version": 2
  }
}