Pith Number

pith:MO6RLYMS

pith:2019:MO6RLYMS6LTXZFIJRQQGU6SPA6

not attested not anchored not stored refs pending

Gap phenomena for constant mean curvature surfaces

Edno Pereira, Ezequiel Barbosa, Marcos P. Cavalcante

arxiv:1908.09952 v2 · 2019-08-26 · 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{MO6RLYMS6LTXZFIJRQQGU6SPA6}

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	2026-07-05T05:36:28.160852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63bd15e192f2e77c95098c206a7a4f07baa7300ee72b8f3ece1a5747fe3fcd78

Aliases

arxiv: 1908.09952 · arxiv_version: 1908.09952v2 · doi: 10.48550/arxiv.1908.09952 · pith_short_12: MO6RLYMS6LTX · pith_short_16: MO6RLYMS6LTXZFIJ · pith_short_8: MO6RLYMS

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/MO6RLYMS6LTXZFIJRQQGU6SPA6 \
  | 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: 63bd15e192f2e77c95098c206a7a4f07baa7300ee72b8f3ece1a5747fe3fcd78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed3dc009d16ab4808348f51f10bf85a0add17a2fbd0aa761146000d646858236",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-26T22:50:25Z",
    "title_canon_sha256": "4382760dd11f867068616c16c9b2d764696d366dc698350c92c9c8f910219306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09952",
    "kind": "arxiv",
    "version": 2
  }
}