Pith Number

pith:X3GETRDL

pith:2017:X3GETRDLTQJSXM3FRXMTDSMXOG

not attested not anchored not stored refs pending

Lipschitz regularity of solutions to two-phase free boundary problems

Daniela De Silva, Ovidiu Savin

arxiv:1702.02958 v1 · 2017-02-09 · 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{X3GETRDLTQJSXM3FRXMTDSMXOG}

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	2026-05-18T00:50:58.973765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

becc49c46b9c132bb3658dd931c99771a46b36bdf040dd3c797d75866fc71e1b

Aliases

arxiv: 1702.02958 · arxiv_version: 1702.02958v1 · doi: 10.48550/arxiv.1702.02958 · pith_short_12: X3GETRDLTQJS · pith_short_16: X3GETRDLTQJSXM3F · pith_short_8: X3GETRDL

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/X3GETRDLTQJSXM3FRXMTDSMXOG \
  | 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: becc49c46b9c132bb3658dd931c99771a46b36bdf040dd3c797d75866fc71e1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b2d9740a20d3a196f34d68f26d1e4eb33f5114a55a91b94ced02cde2a79dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-02-09T19:25:45Z",
    "title_canon_sha256": "dde3257aa72e0f24449cabaa1d86ac7ae14ed93a8d2b3f848c0c8e7bde81ab84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02958",
    "kind": "arxiv",
    "version": 1
  }
}