Pith Number

pith:OX6PPBAU

pith:2019:OX6PPBAUU3UQE2PPNQ4GKETXZF

not attested not anchored not stored refs pending

Simultaneous Sensing Error Recovery and Tomographic Inversion Using an Optimization-based Approach

Anthony P. Austin, Stefan M. Wild, Sven Leyffer, Zichao Wendy Di

arxiv:1902.02027 v2 · 2019-02-06 · 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{OX6PPBAUU3UQE2PPNQ4GKETXZF}

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	2026-05-17T23:54:33.707421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75fcf78414a6e90269ef6c38651277c96c665d842ce9cbba6a40277aa8f63c44

Aliases

arxiv: 1902.02027 · arxiv_version: 1902.02027v2 · doi: 10.48550/arxiv.1902.02027 · pith_short_12: OX6PPBAUU3UQ · pith_short_16: OX6PPBAUU3UQE2PP · pith_short_8: OX6PPBAU

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/OX6PPBAUU3UQE2PPNQ4GKETXZF \
  | 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: 75fcf78414a6e90269ef6c38651277c96c665d842ce9cbba6a40277aa8f63c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67eacf13804c3174bfbcca529dbc8469ce8186b294d8a3c7b865a14c4893dfa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-06T05:23:27Z",
    "title_canon_sha256": "af0e9154e2810cc33b1b30e18e123d90a9d58ed01d59533c38d51d7d9717cefc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02027",
    "kind": "arxiv",
    "version": 2
  }
}