Pith Number

pith:RGILDVMW

pith:2018:RGILDVMW7LF4QTFFG4JN2BFDW4

not attested not anchored not stored refs pending

Translation surfaces in Euclidean space with constant Gaussian curvature

Rafael L\'opez, Thomas Hasanis

arxiv:1809.02758 v1 · 2018-09-08 · 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{RGILDVMW7LF4QTFFG4JN2BFDW4}

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	2026-05-18T00:06:15.383419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8990b1d596facbc84ca53712dd04a3b735b1c5cb2341b4afb7e4e7b62c440788

Aliases

arxiv: 1809.02758 · arxiv_version: 1809.02758v1 · doi: 10.48550/arxiv.1809.02758 · pith_short_12: RGILDVMW7LF4 · pith_short_16: RGILDVMW7LF4QTFF · pith_short_8: RGILDVMW

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/RGILDVMW7LF4QTFFG4JN2BFDW4 \
  | 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: 8990b1d596facbc84ca53712dd04a3b735b1c5cb2341b4afb7e4e7b62c440788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eef53a7546d01892938d270ae6facb8c98d8c735c4cbfdd0f4cdb7a53638a13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-09-08T05:01:43Z",
    "title_canon_sha256": "8778bf197389e8a0ac4317f29c64e24d8082a2baa642f75720dd1483f7ba4e3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02758",
    "kind": "arxiv",
    "version": 1
  }
}