Pith Number

pith:EGYGVZ52

pith:2018:EGYGVZ52YKSLFQDEKVXTJ5XVUL

not attested not anchored not stored refs pending

Convexification for the inversion of a time dependent wave front in a heterogeneous medium

Jingzhi Li, Michael V. Klibanov, Wenlong Zhang

arxiv:1812.11281 v1 · 2018-12-29 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGYGVZ52YKSLFQDEKVXTJ5XVUL}

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	2026-05-17T23:57:12.346974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b06ae7bac2a4b2c064556f34f6f5a2d3dcb3116c9ec016cdeab7407fc30f5e

Aliases

arxiv: 1812.11281 · arxiv_version: 1812.11281v1 · doi: 10.48550/arxiv.1812.11281 · pith_short_12: EGYGVZ52YKSL · pith_short_16: EGYGVZ52YKSLFQDE · pith_short_8: EGYGVZ52

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/EGYGVZ52YKSLFQDEKVXTJ5XVUL \
  | 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: 21b06ae7bac2a4b2c064556f34f6f5a2d3dcb3116c9ec016cdeab7407fc30f5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4808f96faf7d29dddb47a1617dd5433f2971aed5c6cdf60a6c922f9a6fa17622",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-12-29T04:13:51Z",
    "title_canon_sha256": "c41dbab4b253b5849d85d0b7875076a1781c15459fc6cef542c2848cdc4a1b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11281",
    "kind": "arxiv",
    "version": 1
  }
}