Pith Number

pith:IBBMIPU7

pith:2018:IBBMIPU7GKUXDM6P5ND6VNOXBY

not attested not anchored not stored refs pending

A numerical method to solve a phaseless coefficient inverse problem from a single measurement of experimental data

Aaron Brettin, Dinh-Liem Nguyen, Loc H. Nguyen, Michael V.Klibanov, Nikolay A. Koshev, Vasily N. Astratov

arxiv:1803.01374 v1 · 2018-03-04 · 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{IBBMIPU7GKUXDM6P5ND6VNOXBY}

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	2026-05-18T00:22:00.857537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4042c43e9f32a971b3cfeb47eab5d70e3f9297bff6bd1f0b6290b5fa35858e18

Aliases

arxiv: 1803.01374 · arxiv_version: 1803.01374v1 · doi: 10.48550/arxiv.1803.01374 · pith_short_12: IBBMIPU7GKUX · pith_short_16: IBBMIPU7GKUXDM6P · pith_short_8: IBBMIPU7

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/IBBMIPU7GKUXDM6P5ND6VNOXBY \
  | 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: 4042c43e9f32a971b3cfeb47eab5d70e3f9297bff6bd1f0b6290b5fa35858e18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f69a9a33dcca154df38b54e14ac94f784a0d2f495a1017cce1d030938ec1b982",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-04T16:17:47Z",
    "title_canon_sha256": "dbd9a07fa2a427f4eae9b79dd96c9b054f96f1d4b434f7c73d36ec0353156367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01374",
    "kind": "arxiv",
    "version": 1
  }
}