Pith Number

pith:Z7RNDETR

pith:2016:Z7RNDETR7HRJGDRG3QJY7SXSL7

not attested not anchored not stored refs pending

Meridian Surfaces of Parabolic Type in the Four-dimensional Minkowski Space

Georgi Ganchev, Velichka Milousheva

arxiv:1601.06595 v1 · 2016-01-25 · 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{Z7RNDETR7HRJGDRG3QJY7SXSL7}

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	2026-05-18T01:21:59.811474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe2d19271f9e2930e26dc138fcaf25fd7c470ae0eb1c5cd52799a22870adb0f

Aliases

arxiv: 1601.06595 · arxiv_version: 1601.06595v1 · doi: 10.48550/arxiv.1601.06595 · pith_short_12: Z7RNDETR7HRJ · pith_short_16: Z7RNDETR7HRJGDRG · pith_short_8: Z7RNDETR

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/Z7RNDETR7HRJGDRG3QJY7SXSL7 \
  | 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: cfe2d19271f9e2930e26dc138fcaf25fd7c470ae0eb1c5cd52799a22870adb0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff70b49e7e01f02c01a8de98ec14d63374578dc007194ee203305f42fff50712",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-25T13:21:33Z",
    "title_canon_sha256": "a1b3ddbd28945718b47fccced1619bd6abb7ae2465802c93443bbb471d408360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06595",
    "kind": "arxiv",
    "version": 1
  }
}