Pith Number

pith:54AVTFNS

pith:2017:54AVTFNSRSX73JRJ6S357AYTLG

not attested not anchored not stored refs pending

Enhancing D-bar reconstructions for electrical impedance tomography with conformal maps

Janne P. Tamminen, Lassi P\"aiv\"arinta, Nuutti Hyv\"onen

arxiv:1702.07531 v1 · 2017-02-24 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54AVTFNSRSX73JRJ6S357AYTLG}

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	2026-05-18T00:50:03.010897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef015995b28caffda629f4b7df83135991c63cd2d95e4a39bd1c3a892e0aecef

Aliases

arxiv: 1702.07531 · arxiv_version: 1702.07531v1 · doi: 10.48550/arxiv.1702.07531 · pith_short_12: 54AVTFNSRSX7 · pith_short_16: 54AVTFNSRSX73JRJ · pith_short_8: 54AVTFNS

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/54AVTFNSRSX73JRJ6S357AYTLG \
  | 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: ef015995b28caffda629f4b7df83135991c63cd2d95e4a39bd1c3a892e0aecef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "464b3785d177073fcc48cec797b8449403b84434ba01b3b32d304f3e1545c649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-24T10:41:23Z",
    "title_canon_sha256": "327d46a74fbdb653514f9d9169fa97b00804c60e503fdb75b02362a9099a0385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07531",
    "kind": "arxiv",
    "version": 1
  }
}