Pith Number

pith:7E2EBUDU

pith:2019:7E2EBUDU5SWWXNWUZKDVAZC3VD

not attested not anchored not stored refs pending

Probabilistic Neural-Network Based 2D Travel Time Tomography

Andrew Curtis, Stephanie Earp

arxiv:1907.00541 v2 · 2019-06-27 · 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{7E2EBUDU5SWWXNWUZKDVAZC3VD}

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

Seismic tomography using variational inference methods

Receipt and verification

First computed	2026-07-05T01:00:59.951479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f93440d074ecad6bb6d4ca8750645ba8d421237d9bb133959d85f77d2abae3c5

Aliases

arxiv: 1907.00541 · arxiv_version: 1907.00541v2 · doi: 10.48550/arxiv.1907.00541 · pith_short_12: 7E2EBUDU5SWW · pith_short_16: 7E2EBUDU5SWWXNWU · pith_short_8: 7E2EBUDU

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/7E2EBUDU5SWWXNWUZKDVAZC3VD \
  | 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: f93440d074ecad6bb6d4ca8750645ba8d421237d9bb133959d85f77d2abae3c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8b6a54d4861e684473e9f7256a9e0a7323f55d6842360734b22de3d765f3062",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-06-27T08:33:18Z",
    "title_canon_sha256": "182ec14df0dd2a9d304e2dc1a7515625dfa7c968c33853d08e28d5503866b34b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00541",
    "kind": "arxiv",
    "version": 2
  }
}