Pith Number

pith:IOEZGUH4

pith:2018:IOEZGUH4PHORKRHQ3RBGYSL4VG

not attested not anchored not stored refs pending

Reconstruction of piecewise smooth wave speeds using multiple scattering

Gunther Uhlmann, Maarten V. de Hoop, Peter Caday, Vitaly Katsnelson

arxiv:1801.03144 v1 · 2018-01-09 · math.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{IOEZGUH4PHORKRHQ3RBGYSL4VG}

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	2026-05-18T00:26:18.889687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43899350fc79dd1544f0dc426c497ca9b5ad84acc5187d48a1308a5b2e71ed0d

Aliases

arxiv: 1801.03144 · arxiv_version: 1801.03144v1 · doi: 10.48550/arxiv.1801.03144 · pith_short_12: IOEZGUH4PHOR · pith_short_16: IOEZGUH4PHORKRHQ · pith_short_8: IOEZGUH4

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/IOEZGUH4PHORKRHQ3RBGYSL4VG \
  | 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: 43899350fc79dd1544f0dc426c497ca9b5ad84acc5187d48a1308a5b2e71ed0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f097b1d95bc3c1ecdd9a056f84d9d93c6b810b0c59d29ec7d7e69f20f1629e76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-09T21:20:25Z",
    "title_canon_sha256": "f5052df38552532bb8dc83e3ff06ec2d129d1fe61ef401d4654a3fe104f3cfc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03144",
    "kind": "arxiv",
    "version": 1
  }
}