Pith Number

pith:53VD2STS

pith:2013:53VD2STSC5ZEUFF45RZOPTLBTP

not attested not anchored not stored refs pending

An Analysis of Finite Element Approximation in Electrical Impedance Tomography

Bangti Jin, Matthias Gehre, Xiliang Lu

arxiv:1312.1390 v1 · 2013-12-04 · 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{53VD2STSC5ZEUFF45RZOPTLBTP}

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	2026-05-18T01:45:58.493887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeea3d4a7217724a14bcec72e7cd619bc7f03da5f558291d32f35ecd1af8aa8e

Aliases

arxiv: 1312.1390 · arxiv_version: 1312.1390v1 · doi: 10.48550/arxiv.1312.1390 · pith_short_12: 53VD2STSC5ZE · pith_short_16: 53VD2STSC5ZEUFF4 · pith_short_8: 53VD2STS

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/53VD2STSC5ZEUFF45RZOPTLBTP \
  | 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: eeea3d4a7217724a14bcec72e7cd619bc7f03da5f558291d32f35ecd1af8aa8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f610eb7a987d2c7b56255dc35968ad50d97bbd8c3ce5fdb8dd3c6fc5bd3e5241",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-04T23:55:58Z",
    "title_canon_sha256": "654c9a26c4f644927c6aabc9157a14fded998341e98fad52004ed02296aa6a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1390",
    "kind": "arxiv",
    "version": 1
  }
}