Pith Number

pith:TQLSSGGF

pith:2018:TQLSSGGFLS7FB7YKXUW6Z4REEG

not attested not anchored not stored refs pending

On a remarkable example of F. Almgren and H. Federer in the global theory of minimizing geodesics

Rafael de la Llave, Xifeng SU

arxiv:1810.10508 v1 · 2018-10-24 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQLSSGGFLS7FB7YKXUW6Z4REEG}

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	2026-05-18T00:02:22.891519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c172918c55cbe50ff0abd2decf22421830f8ff6cf947a5a2cdfbce5034b6ef9

Aliases

arxiv: 1810.10508 · arxiv_version: 1810.10508v1 · doi: 10.48550/arxiv.1810.10508 · pith_short_12: TQLSSGGFLS7F · pith_short_16: TQLSSGGFLS7FB7YK · pith_short_8: TQLSSGGF

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/TQLSSGGFLS7FB7YKXUW6Z4REEG \
  | 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: 9c172918c55cbe50ff0abd2decf22421830f8ff6cf947a5a2cdfbce5034b6ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e0e4b00286d7598cc7fa0bceb0cb6d850b68b3395af020b81ece4e9248ea47",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-24T17:39:42Z",
    "title_canon_sha256": "7971d5ecedf020ed4894c387915ca0dcfc0fb983359f06d023b6574d9e0ac783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10508",
    "kind": "arxiv",
    "version": 1
  }
}