Pith Number

pith:54W4WVKS

pith:2018:54W4WVKSQRYQ3B2W5VTWSEK63O

not attested not anchored not stored refs pending

Minimal Geometric Deformation: the inverse problem

Ernesto Contreras

arxiv:1807.03252 v2 · 2018-07-09 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54W4WVKSQRYQ3B2W5VTWSEK63O}

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	2026-05-18T00:04:55.562895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2dcb555284710d8756ed6769115edb88ad55ed48a084e84cdfa06f1e434aa5

Aliases

arxiv: 1807.03252 · arxiv_version: 1807.03252v2 · doi: 10.48550/arxiv.1807.03252 · pith_short_12: 54W4WVKSQRYQ · pith_short_16: 54W4WVKSQRYQ3B2W · pith_short_8: 54W4WVKS

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/54W4WVKSQRYQ3B2W5VTWSEK63O \
  | 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: ef2dcb555284710d8756ed6769115edb88ad55ed48a084e84cdfa06f1e434aa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99330f824c51f5a850a507ffb90fa556fb8811fcd65acd473c935ff87b0333ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-09T15:56:23Z",
    "title_canon_sha256": "c9d115105000028eccd8790eb34a627f3cf1dd201c67dfde5792c892931c6b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03252",
    "kind": "arxiv",
    "version": 2
  }
}