Pith Number

pith:47TUIB6N

pith:2017:47TUIB6NSL7LBROBOD6QKI2ZS3

not attested not anchored not stored refs pending

Explicit self-similar solutions of time-like extremal hypersurfaces in $\mathbb{R}^{1+3}$

Weiping Yan

arxiv:1708.06289 v2 · 2017-08-21 · math.AP · 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{47TUIB6NSL7LBROBOD6QKI2ZS3}

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	2026-05-18T00:33:58.593800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e74407cd92feb0c5c170fd05235996cedd77862c8fba2c1bbb59481eda6ac8

Aliases

arxiv: 1708.06289 · arxiv_version: 1708.06289v2 · doi: 10.48550/arxiv.1708.06289 · pith_short_12: 47TUIB6NSL7L · pith_short_16: 47TUIB6NSL7LBROB · pith_short_8: 47TUIB6N

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/47TUIB6NSL7LBROBOD6QKI2ZS3 \
  | 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: e7e74407cd92feb0c5c170fd05235996cedd77862c8fba2c1bbb59481eda6ac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3fa36fcfdc5e5d2ea23972c2c5c692f24c08fbf748339e4bec4edfc9e373f7",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-21T15:38:29Z",
    "title_canon_sha256": "212bfe781f23fce4878576efce0f058f9ebd5a36b171e00d65f57ccfe93a6d21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06289",
    "kind": "arxiv",
    "version": 2
  }
}