Pith Number

pith:XUESAHN7

pith:2020:XUESAHN7FWDZFSZ5CXACLCJQ2U

not attested not anchored not stored refs pending

A Non-Iterative Reconstruction Algorithm for the Acoustic Inverse Boundary Value Problem

Tianyu Yang, Yang Yang

arxiv:2009.00641 v1 · 2020-09-01 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUESAHN7FWDZFSZ5CXACLCJQ2U}

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.

Cited by

1 paper in Pith

On a stability of time-optimal version of the Boundary Control method

Receipt and verification

First computed	2026-07-05T01:32:25.520652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd09201dbf2d8792cb3d15c0258930d528812dcb80c52173b681d65c12b92edf

Aliases

arxiv: 2009.00641 · arxiv_version: 2009.00641v1 · doi: 10.48550/arxiv.2009.00641 · pith_short_12: XUESAHN7FWDZ · pith_short_16: XUESAHN7FWDZFSZ5 · pith_short_8: XUESAHN7

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/XUESAHN7FWDZFSZ5CXACLCJQ2U \
  | 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: bd09201dbf2d8792cb3d15c0258930d528812dcb80c52173b681d65c12b92edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc31d1100afc52ea82467deb252cc7c4e4f822389e1036c1ebe685f093e83acc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-09-01T18:09:58Z",
    "title_canon_sha256": "735b5703ced6560394b6f50104c296fb09b1f1f8dbae26c4191b5076be58eae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00641",
    "kind": "arxiv",
    "version": 1
  }
}