Pith Number

pith:7VSUSG2X

pith:2017:7VSUSG2XL4TTKOEIM46N6PUFLP

not attested not anchored not stored refs pending

Gauss map of the skew mean curvature flow

Chong Song

arxiv:1711.02312 v2 · 2017-11-07 · 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{7VSUSG2XL4TTKOEIM46N6PUFLP}

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	2026-05-18T00:30:54.397474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd65491b575f27353888673cdf3e855bd8fe63bd771f44d54429fa6b1f67fa24

Aliases

arxiv: 1711.02312 · arxiv_version: 1711.02312v2 · doi: 10.48550/arxiv.1711.02312 · pith_short_12: 7VSUSG2XL4TT · pith_short_16: 7VSUSG2XL4TTKOEI · pith_short_8: 7VSUSG2X

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/7VSUSG2XL4TTKOEIM46N6PUFLP \
  | 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: fd65491b575f27353888673cdf3e855bd8fe63bd771f44d54429fa6b1f67fa24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d27c99578fc3e232c51e25d4faa2c5bb29d7d907537a0e6aa8653d1175cf12d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-11-07T06:57:34Z",
    "title_canon_sha256": "a9fed3b3e2333820d3b2819806aad8efdf38964a3cbb82ddb846c386b21dee8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02312",
    "kind": "arxiv",
    "version": 2
  }
}