Pith Number

pith:GT4V3CPQ

pith:2016:GT4V3CPQELWDYOLBDT4JLD2L5P

not attested not anchored not stored refs pending

A scattering approach to a surface with hyperbolic cusp

Nikolaos Roidos

arxiv:1610.04625 v2 · 2016-10-14 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GT4V3CPQELWDYOLBDT4JLD2L5P}

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	2026-05-18T00:18:27.048589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f95d89f022ec3c39611cf8958f4bebc0bf14a7ddfb96866c1074a38d60e533

Aliases

arxiv: 1610.04625 · arxiv_version: 1610.04625v2 · doi: 10.48550/arxiv.1610.04625 · pith_short_12: GT4V3CPQELWD · pith_short_16: GT4V3CPQELWDYOLB · pith_short_8: GT4V3CPQ

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/GT4V3CPQELWDYOLBDT4JLD2L5P \
  | 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: 34f95d89f022ec3c39611cf8958f4bebc0bf14a7ddfb96866c1074a38d60e533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bac751ce75e26b9d02f8321fce25f9658e8dc02da6a9b8530cb12165c6fec77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2016-10-14T20:03:33Z",
    "title_canon_sha256": "026b8933c5d96336dd7351b801dcf0826f2852569e91c96fb7e143e46e94e549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04625",
    "kind": "arxiv",
    "version": 2
  }
}