Pith Number

pith:CIQKHEZY

pith:2017:CIQKHEZYO6WHWHAZYXLRJNBK3T

not attested not anchored not stored refs pending

Zero $f$-mean curvature surfaces of revolution in the Lorentzian product $\Bbb G^2\times\Bbb R_1$

Doan The Hieu, Tran Le Nam

arxiv:1701.01972 v1 · 2017-01-08 · 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{CIQKHEZYO6WHWHAZYXLRJNBK3T}

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	2026-05-18T00:53:12.947816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1220a3933877ac7b1c19c5d714b42adcd0c14a7649398e3478ba31a4343930ae

Aliases

arxiv: 1701.01972 · arxiv_version: 1701.01972v1 · doi: 10.48550/arxiv.1701.01972 · pith_short_12: CIQKHEZYO6WH · pith_short_16: CIQKHEZYO6WHWHAZ · pith_short_8: CIQKHEZY

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/CIQKHEZYO6WHWHAZYXLRJNBK3T \
  | 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: 1220a3933877ac7b1c19c5d714b42adcd0c14a7649398e3478ba31a4343930ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d4b4e4374f9e4b9821e07b284be074a6430866f79b9e923b9b76d4a885919d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-08T15:38:02Z",
    "title_canon_sha256": "c1cb4009771a7bce688be8be8cd1c4ce07ed189db801f28a167facd0979f0430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01972",
    "kind": "arxiv",
    "version": 1
  }
}