Pith Number

pith:4SFOXI3U

pith:2016:4SFOXI3UHOG56F6LS7VFZOUJBV

not attested not anchored not stored refs pending

An Adaptive Finite Element Method in Quantitative Reconstruction of Small Inclusions from Limited Observations

John Bondestam Malmberg, Larisa Beilina

arxiv:1603.04870 v2 · 2016-03-15 · 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{4SFOXI3UHOG56F6LS7VFZOUJBV}

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	2026-05-18T01:18:56.805591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48aeba3743b8ddf17cb97ea5cba890d4020d3fa47439cd39882eb5a33d2f931

Aliases

arxiv: 1603.04870 · arxiv_version: 1603.04870v2 · doi: 10.48550/arxiv.1603.04870 · pith_short_12: 4SFOXI3UHOG5 · pith_short_16: 4SFOXI3UHOG56F6L · pith_short_8: 4SFOXI3U

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/4SFOXI3UHOG56F6LS7VFZOUJBV \
  | 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: e48aeba3743b8ddf17cb97ea5cba890d4020d3fa47439cd39882eb5a33d2f931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31bd6f4bb90fc9e75ab2ce13336f0d986c15a052b5d47686a9ee34b9be61288c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-15T20:04:27Z",
    "title_canon_sha256": "005f68cce55674e5c71da06369b3a991d54adc2f1cdb1715dd8e2f986511fe1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04870",
    "kind": "arxiv",
    "version": 2
  }
}