Pith Number

pith:QCCGOX3O

pith:2011:QCCGOX3OBWPGIWNPNULJ6TUMN7

not attested not anchored not stored refs pending

A note on surfaces with parallel mean curvature

Dorel Fetcu, Harold Rosenberg

arxiv:1102.3335 v1 · 2011-02-16 · 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{QCCGOX3OBWPGIWNPNULJ6TUMN7}

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	2026-05-18T04:28:30.421859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8084675f6e0d9e6459af6d169f4e8c6fda5dc8d5780e7ac716a06260fe67c954

Aliases

arxiv: 1102.3335 · arxiv_version: 1102.3335v1 · doi: 10.48550/arxiv.1102.3335 · pith_short_12: QCCGOX3OBWPG · pith_short_16: QCCGOX3OBWPGIWNP · pith_short_8: QCCGOX3O

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/QCCGOX3OBWPGIWNPNULJ6TUMN7 \
  | 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: 8084675f6e0d9e6459af6d169f4e8c6fda5dc8d5780e7ac716a06260fe67c954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b748baa9eeb389b9a31dc663ca3bac7a3228df17b342228bbcd7b54413dfc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-02-16T13:40:05Z",
    "title_canon_sha256": "2bad2723bea96b52af2d1232b06c858dad9284b415dc7aaa3c118d12d8fe61af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3335",
    "kind": "arxiv",
    "version": 1
  }
}