Pith Number

pith:UL2EA7PA

pith:2019:UL2EA7PACW2MPLRLKWKYNC3VMU

not attested not anchored not stored refs pending

On the asymptotic geometry of finite-type $k$-surfaces in three-dimensional hyperbolic space

Graham Smith

arxiv:1908.04834 v2 · 2019-08-13 · 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{UL2EA7PACW2MPLRLKWKYNC3VMU}

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	2026-07-05T05:06:48.493575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f4407de015b4c7ae2b5595868b75652800e5526affd79c73f81a0a7c64f185

Aliases

arxiv: 1908.04834 · arxiv_version: 1908.04834v2 · doi: 10.48550/arxiv.1908.04834 · pith_short_12: UL2EA7PACW2M · pith_short_16: UL2EA7PACW2MPLRL · pith_short_8: UL2EA7PA

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/UL2EA7PACW2MPLRLKWKYNC3VMU \
  | 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: a2f4407de015b4c7ae2b5595868b75652800e5526affd79c73f81a0a7c64f185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7baaf66ffab1e97e21ac0d97907b798793e76c5fa494597f68223f6f67172f63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-13T19:15:11Z",
    "title_canon_sha256": "478a30797c978e853cf82e996fd8bd2872b7e868aa4dd4d895f709347fbf2f8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04834",
    "kind": "arxiv",
    "version": 2
  }
}