Pith Number

pith:Q2TZUCEE

pith:2021:Q2TZUCEEYEWIUKQBC5N2FM45CP

not attested not anchored not stored refs pending

PINNtomo: Seismic tomography using physics-informed neural networks

Chao Song, Ehsan Haghighat, Jean Virieux, Tariq Alkhalifah, Umair Bin Waheed

arxiv:2104.01588 v1 · 2021-04-04 · physics.comp-ph · 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{Q2TZUCEEYEWIUKQBC5N2FM45CP}

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.

Cited by

1 paper in Pith

Accelerating physics-informed neural networks for full waveform inversion using a hybrid quantum-classical finite-basis architecture

Receipt and verification

First computed	2026-07-05T02:29:01.633852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86a79a0884c12c8a2a01175ba2b39d13e863ad8c62832da4b88db6c1dbac9d57

Aliases

arxiv: 2104.01588 · arxiv_version: 2104.01588v1 · doi: 10.48550/arxiv.2104.01588 · pith_short_12: Q2TZUCEEYEWI · pith_short_16: Q2TZUCEEYEWIUKQB · pith_short_8: Q2TZUCEE

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/Q2TZUCEEYEWIUKQBC5N2FM45CP \
  | 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: 86a79a0884c12c8a2a01175ba2b39d13e863ad8c62832da4b88db6c1dbac9d57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af803f2cfcbe773994358bad6c6501b569b4cb10f778a53d4ffc9b4ebbc1fb04",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-04-04T11:20:30Z",
    "title_canon_sha256": "757b9f50e3b26972dc2eba0d5c42142535d9d2f97e6f8330547c7249fd5aaaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01588",
    "kind": "arxiv",
    "version": 1
  }
}