Pith Number

pith:HNZKZOYG

pith:2018:HNZKZOYGXTRV5ONGI7XVGXKORQ

not attested not anchored not stored refs pending

Seismic Wave Equations in Tight Oil/Gas Sandstone Media

Haixia Zhao, Hui Li, Jigen Peng, Jinghuai Gao, Weimin Han, Yijie Zhang, Zongben Xu

arxiv:1801.05115 v1 · 2018-01-16 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNZKZOYGXTRV5ONGI7XVGXKORQ}

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	2026-05-18T00:25:47.891788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b72acbb06bce35eb9a647ef535d4e8c3a1a42c1110ebbbfa2fd6e801fee0b76

Aliases

arxiv: 1801.05115 · arxiv_version: 1801.05115v1 · doi: 10.48550/arxiv.1801.05115 · pith_short_12: HNZKZOYGXTRV · pith_short_16: HNZKZOYGXTRV5ONG · pith_short_8: HNZKZOYG

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/HNZKZOYGXTRV5ONGI7XVGXKORQ \
  | 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: 3b72acbb06bce35eb9a647ef535d4e8c3a1a42c1110ebbbfa2fd6e801fee0b76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b85149ee0abd17cca205b59f8a235e519604baa13fc4f242f18146a0921d652",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2018-01-16T04:45:47Z",
    "title_canon_sha256": "aea19022d3088bf602221c85fa32ab0e724a23a34173a80c29c2bd20645fb81d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05115",
    "kind": "arxiv",
    "version": 1
  }
}