Pith Number

pith:PDIUV4VC

pith:2021:PDIUV4VCDIX7XXMM77ZVOKQ4B2

not attested not anchored not stored refs pending

A Gauss curvature flow related to the Orlicz-Aleksandrov problem

Bin Chen, Peibiao Zhao

arxiv:2111.13281 v1 · 2021-11-26 · math.DG · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDIUV4VCDIX7XXMM77ZVOKQ4B2}

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	2026-07-05T03:35:19.717219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d14af2a21a2ffbdd8cfff3572a1c0ea80e2e6ef13eb2a1dfc7aa3ea78c0223

Aliases

arxiv: 2111.13281 · arxiv_version: 2111.13281v1 · doi: 10.48550/arxiv.2111.13281 · pith_short_12: PDIUV4VCDIX7 · pith_short_16: PDIUV4VCDIX7XXMM · pith_short_8: PDIUV4VC

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/PDIUV4VCDIX7XXMM77ZVOKQ4B2 \
  | 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: 78d14af2a21a2ffbdd8cfff3572a1c0ea80e2e6ef13eb2a1dfc7aa3ea78c0223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c8e6d7d0b436691ec0b4f85938510a51e01a30c8f2f3cdccdd49cc10d26279",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2021-11-26T00:41:51Z",
    "title_canon_sha256": "d4190b5044fd53a9eb5412d13020d28eec54adba738d7b4a5086e813c144bad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13281",
    "kind": "arxiv",
    "version": 1
  }
}