Pith Number

pith:QD2SMKAF

pith:2017:QD2SMKAF7CZHI44WX7O3XDZZWO

not attested not anchored not stored refs pending

Explicit self-similiar singularity of Born-Infeld equation, space-like surfaces with vanishing mean curvature equation and membrane equation

Weiping Yan

arxiv:1712.05159 v3 · 2017-12-14 · math.AP · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QD2SMKAF7CZHI44WX7O3XDZZWO}

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	2026-05-18T00:23:58.694946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f5262805f8b2747396bfddbb8f39b38b15a6d356668fe33e63197494ac0600

Aliases

arxiv: 1712.05159 · arxiv_version: 1712.05159v3 · doi: 10.48550/arxiv.1712.05159 · pith_short_12: QD2SMKAF7CZH · pith_short_16: QD2SMKAF7CZHI44W · pith_short_8: QD2SMKAF

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/QD2SMKAF7CZHI44WX7O3XDZZWO \
  | 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: 80f5262805f8b2747396bfddbb8f39b38b15a6d356668fe33e63197494ac0600

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d4aeb6e5b5a46409fa1f4e4620e1e5ab8aa0d321ec0e7183297d405d4b3df3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-14T10:41:15Z",
    "title_canon_sha256": "4dba328c263831201872873a2d8453b5cea2b0f5d00089400c888f654ee7215b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05159",
    "kind": "arxiv",
    "version": 3
  }
}