Pith Number

pith:S6AKDYTH

pith:2016:S6AKDYTHYBXM3JPOOJNH2AQYMM

not attested not anchored not stored refs pending

Numerical Solution of a Coefficient Inverse Problem with Multi-Frequency Experimental Raw Data by a Globally Convergent Algorithm

Aleksandr E. Kolesov, Dinh-Liem Nguyen, Hui Liu, Loc H. Nguyen, Michael A. Fiddy, Michael V. Klibanov

arxiv:1609.03102 v2 · 2016-09-10 · 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{S6AKDYTHYBXM3JPOOJNH2AQYMM}

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	2026-05-18T00:43:02.278964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9780a1e267c06ecda5ee725a7d0218631d09506be786f064ce84c11db625cb43

Aliases

arxiv: 1609.03102 · arxiv_version: 1609.03102v2 · doi: 10.48550/arxiv.1609.03102 · pith_short_12: S6AKDYTHYBXM · pith_short_16: S6AKDYTHYBXM3JPO · pith_short_8: S6AKDYTH

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/S6AKDYTHYBXM3JPOOJNH2AQYMM \
  | 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: 9780a1e267c06ecda5ee725a7d0218631d09506be786f064ce84c11db625cb43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "336175d5055fa27b1f7b5b9dd31939ef86130cb14df88e0be6218901fe4891c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-10T23:59:36Z",
    "title_canon_sha256": "b77b32e4f06c66540024fb77f4ebc78740bca767a60f73efc51cb814b815d249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03102",
    "kind": "arxiv",
    "version": 2
  }
}