Pith Number

pith:R7N3UHJF

pith:2017:R7N3UHJFWDLJ2HTOA245VR4AKR

not attested not anchored not stored refs pending

A regularization approach for an inverse source problem in elliptic systems from single Cauchy data

Bernd Hofmann, Michael Hinze, Tran Nhan Tam Quyen

arxiv:1703.09571 v3 · 2017-03-28 · 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{R7N3UHJFWDLJ2HTOA245VR4AKR}

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	2026-05-17T23:51:20.151748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fdbba1d25b0d69d1e6e06b9dac7805442407cc6bff6e791c4d3630ac8295972

Aliases

arxiv: 1703.09571 · arxiv_version: 1703.09571v3 · doi: 10.48550/arxiv.1703.09571 · pith_short_12: R7N3UHJFWDLJ · pith_short_16: R7N3UHJFWDLJ2HTO · pith_short_8: R7N3UHJF

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/R7N3UHJFWDLJ2HTOA245VR4AKR \
  | 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: 8fdbba1d25b0d69d1e6e06b9dac7805442407cc6bff6e791c4d3630ac8295972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "243edff5f886fc89ca29cbf83512a49538a1d83566f44d99a09b940ef6dbcda7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-28T13:46:22Z",
    "title_canon_sha256": "10f211d3da2fe6b1b8d543f8e9796ed4f770c09ed265fbd0cb228e476f94c609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09571",
    "kind": "arxiv",
    "version": 3
  }
}