Pith Number

pith:XPUOBUF3

pith:2018:XPUOBUF3OEHDOF6GBUURH2RFJB

not attested not anchored not stored refs pending

Multi-scale seismic envelope inversion using a direct envelope Frechet derivative for strong-nonlinear full waveform inversion

Guo-Xin Chen, Ru-Shan Wu

arxiv:1808.05275 v1 · 2018-08-15 · 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{XPUOBUF3OEHDOF6GBUURH2RFJB}

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	2026-05-18T00:07:57.690392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbe8e0d0bb710e3717c60d2913ea254852d5fee2654838b5cfd0fdc7fe6fc53f

Aliases

arxiv: 1808.05275 · arxiv_version: 1808.05275v1 · doi: 10.48550/arxiv.1808.05275 · pith_short_12: XPUOBUF3OEHD · pith_short_16: XPUOBUF3OEHDOF6G · pith_short_8: XPUOBUF3

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/XPUOBUF3OEHDOF6GBUURH2RFJB \
  | 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: bbe8e0d0bb710e3717c60d2913ea254852d5fee2654838b5cfd0fdc7fe6fc53f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "018f3bc7bf640d1c3f2287acae52221dd3d99c6f190d09db5fd022d7f8833ee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2018-08-15T19:56:18Z",
    "title_canon_sha256": "7663b11ec5d6b178baa60d964ca9e1c94777e1cf7f705348677c6a396bc5d705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05275",
    "kind": "arxiv",
    "version": 1
  }
}