Pith Number

pith:TVUZV2QR

pith:2011:TVUZV2QRM6SRGYIZT3JVAWL2MD

not attested not anchored not stored refs pending

A new geometric flow with rotational invariance

De-Xing Kong, Qiang Ru

arxiv:1109.0811 v1 · 2011-09-05 · 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{TVUZV2QRM6SRGYIZT3JVAWL2MD}

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	2026-05-18T04:14:06.596195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d699aea1167a51361199ed350597a60fb2596b289158f472f1f8ce8af1c3363

Aliases

arxiv: 1109.0811 · arxiv_version: 1109.0811v1 · doi: 10.48550/arxiv.1109.0811 · pith_short_12: TVUZV2QRM6SR · pith_short_16: TVUZV2QRM6SRGYIZ · pith_short_8: TVUZV2QR

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/TVUZV2QRM6SRGYIZT3JVAWL2MD \
  | 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: 9d699aea1167a51361199ed350597a60fb2596b289158f472f1f8ce8af1c3363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fbf50e0c09f43f9a355487fac2801ad3b89c039611f650e64d5930962b5fba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-09-05T07:01:40Z",
    "title_canon_sha256": "8858448e438a56167bae1d212d7895f324327ebd81d9fbd83c346770ff561daa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0811",
    "kind": "arxiv",
    "version": 1
  }
}