Pith Number

pith:EQD7FGT2

pith:2019:EQD7FGT2R3U32ORI2OEED6FU6H

not attested not anchored not stored refs pending

Classification of spherical objects based on the form function of acoustic echoes

David M. Lane, Gary J. Heald, Keith E. Brown, Mariia Dmitrieva

arxiv:1910.08501 v1 · 2019-10-18 · stat.ML · cs.LG · eess.SP · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQD7FGT2R3U32ORI2OEED6FU6H}

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	2026-07-05T00:13:09.647184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2407f29a7a8ee9bd3a28d38841f8b4f1dbc53361346b6cef7ea9ce57d472f075

Aliases

arxiv: 1910.08501 · arxiv_version: 1910.08501v1 · doi: 10.48550/arxiv.1910.08501 · pith_short_12: EQD7FGT2R3U3 · pith_short_16: EQD7FGT2R3U32ORI · pith_short_8: EQD7FGT2

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/EQD7FGT2R3U32ORI2OEED6FU6H \
  | 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: 2407f29a7a8ee9bd3a28d38841f8b4f1dbc53361346b6cef7ea9ce57d472f075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97269addd234e561791dde25e6901a5dee66d36c5cf2048729b6d41dd9fae1b0",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-10-18T16:51:30Z",
    "title_canon_sha256": "d689258ad4c0e2a147c9ff5329710ee8e192a6da018b6462fb2a54cddab861d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08501",
    "kind": "arxiv",
    "version": 1
  }
}