Pith Number

pith:2QREWPS5

pith:2015:2QREWPS5HKBYI6Y23DKZ53TDIW

not attested not anchored not stored refs pending

Minimal surfaces in a certain 3-dimensional homogeneous spacetime

Sungwook Lee

arxiv:1503.02604 v2 · 2015-03-09 · 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{2QREWPS5HKBYI6Y23DKZ53TDIW}

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	2026-05-18T02:20:28.229554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4224b3e5d3a83847b1ad8d59eee63458e2dcd5e79961baf6f7e99a99a2d109a

Aliases

arxiv: 1503.02604 · arxiv_version: 1503.02604v2 · doi: 10.48550/arxiv.1503.02604 · pith_short_12: 2QREWPS5HKBY · pith_short_16: 2QREWPS5HKBYI6Y2 · pith_short_8: 2QREWPS5

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/2QREWPS5HKBYI6Y23DKZ53TDIW \
  | 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: d4224b3e5d3a83847b1ad8d59eee63458e2dcd5e79961baf6f7e99a99a2d109a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "624885cc554d3fc61780dc12c9037e971a748f154e618fb23ed29d493ff779de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-09T18:30:24Z",
    "title_canon_sha256": "8c98dba6438f88fedd0b36ac56bcd94c467a291c77c685d5d6698062722a0be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02604",
    "kind": "arxiv",
    "version": 2
  }
}