Pith Number

pith:CM322FPX

pith:2014:CM322FPX35QQBI4ZN3IJSPV2JZ

not attested not anchored not stored refs pending

Inverse problem for Einstein-scalar field equations

Gunther Uhlmann, Lauri Oksanen, Matti Lassas, Yaroslav Kurylev

arxiv:1406.4776 v2 · 2014-05-20 · 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{CM322FPX35QQBI4ZN3IJSPV2JZ}

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	2026-05-18T00:26:47.462925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1337ad15f7df6100a3996ed0993eba4e64ea4957088fa7515e6453e9ae8cc0b3

Aliases

arxiv: 1406.4776 · arxiv_version: 1406.4776v2 · doi: 10.48550/arxiv.1406.4776 · pith_short_12: CM322FPX35QQ · pith_short_16: CM322FPX35QQBI4Z · pith_short_8: CM322FPX

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/CM322FPX35QQBI4ZN3IJSPV2JZ \
  | 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: 1337ad15f7df6100a3996ed0993eba4e64ea4957088fa7515e6453e9ae8cc0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a392f712172703ffe7f7f821316628554b2863bac137b0bcd7aa0dbf46610320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-05-20T14:48:28Z",
    "title_canon_sha256": "191cb7ed82f18cdfdbde98c97ac0e0dd314424586c4eed0ca6fa840e740d3f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4776",
    "kind": "arxiv",
    "version": 2
  }
}