Pith Number

pith:AMMUOYEJ

pith:2012:AMMUOYEJIDOA4WBR4DX3T4OK6R

not attested not anchored not stored refs pending

Marginally trapped meridian surfaces of parabolic type in the four-dimensional Minkowski space

Georgi Ganchev, Velichka Milousheva

arxiv:1205.6350 v1 · 2012-05-29 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMMUOYEJIDOA4WBR4DX3T4OK6R}

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	2026-05-18T03:05:28.526784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

031947608940dc0e5831e0efb9f1caf44af54c4d66a90cfe42b0b26b3613a414

Aliases

arxiv: 1205.6350 · arxiv_version: 1205.6350v1 · doi: 10.48550/arxiv.1205.6350 · pith_short_12: AMMUOYEJIDOA · pith_short_16: AMMUOYEJIDOA4WBR · pith_short_8: AMMUOYEJ

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/AMMUOYEJIDOA4WBR4DX3T4OK6R \
  | 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: 031947608940dc0e5831e0efb9f1caf44af54c4d66a90cfe42b0b26b3613a414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872fe3f608e787445137123e092693bdb686ad23c1ad64f468e5d248817b780c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-05-29T12:48:00Z",
    "title_canon_sha256": "b1a90b22f9ebfe851d87b0826ed9dcdf78d01dd14dd2b9516ac5695fe2f0c0fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6350",
    "kind": "arxiv",
    "version": 1
  }
}