Pith Number

pith:VGX4C3N6

pith:2014:VGX4C3N6G5S5VG2VJVARIIPQQ2

not attested not anchored not stored refs pending

Regularity of Mediatrices in Surfaces

J.J.P Veerman, Mario Ponce, Pilar Herreros

arxiv:1411.1803 v1 · 2014-11-07 · 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{VGX4C3N6G5S5VG2VJVARIIPQQ2}

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	2026-05-18T02:38:25.945141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9afc16dbe3765da9b554d411421f086a80941664dbd64cdb78d6df17d198968

Aliases

arxiv: 1411.1803 · arxiv_version: 1411.1803v1 · doi: 10.48550/arxiv.1411.1803 · pith_short_12: VGX4C3N6G5S5 · pith_short_16: VGX4C3N6G5S5VG2V · pith_short_8: VGX4C3N6

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/VGX4C3N6G5S5VG2VJVARIIPQQ2 \
  | 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: a9afc16dbe3765da9b554d411421f086a80941664dbd64cdb78d6df17d198968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867c2db03c67280bf2ac94ea439cd8a73af3b86706067f9ed612d97cf232737f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-11-07T00:40:23Z",
    "title_canon_sha256": "309c32f04811a9642ee437f859cd9f07258c719dc992dce7a59a75c096648f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1803",
    "kind": "arxiv",
    "version": 1
  }
}