Pith Number

pith:MM3BTEVW

pith:2017:MM3BTEVWAZ2D4UCTJDBRENNPSC

not attested not anchored not stored refs pending

Scattering Control for the Wave Equation with Unknown Wave Speed

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

arxiv:1701.01070 v3 · 2017-01-04 · 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{MM3BTEVWAZ2D4UCTJDBRENNPSC}

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	2026-05-18T00:07:01.237307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63361992b606743e505348c31235af90b8c030f748b8a282612ba9d17caffedd

Aliases

arxiv: 1701.01070 · arxiv_version: 1701.01070v3 · doi: 10.48550/arxiv.1701.01070 · pith_short_12: MM3BTEVWAZ2D · pith_short_16: MM3BTEVWAZ2D4UCT · pith_short_8: MM3BTEVW

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/MM3BTEVWAZ2D4UCTJDBRENNPSC \
  | 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: 63361992b606743e505348c31235af90b8c030f748b8a282612ba9d17caffedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d79ebabecaba3d7dc848480f33609d0ac4fc635e4c923b72c16b9174d713c4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-04T16:46:07Z",
    "title_canon_sha256": "7ffb7025a99afe7b474b243a08a449cf5a0337bf0cc8ab1f54ac7a67c9e53829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01070",
    "kind": "arxiv",
    "version": 3
  }
}