Pith Number

pith:ITJFDGQV

pith:2012:ITJFDGQVTWCPVUD3QACFP5MXMF

not attested not anchored not stored refs pending

Regularity of Lipschitz free boundaries for the thin one-phase problem

Daniela De Silva, Ovidiu Savin

arxiv:1205.1755 v1 · 2012-05-08 · 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{ITJFDGQVTWCPVUD3QACFP5MXMF}

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	2026-05-18T03:56:09.036550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44d2519a159d84fad07b800457f597614ebb8b6c3e088f3ed6e219b49d7e4dd0

Aliases

arxiv: 1205.1755 · arxiv_version: 1205.1755v1 · doi: 10.48550/arxiv.1205.1755 · pith_short_12: ITJFDGQVTWCP · pith_short_16: ITJFDGQVTWCPVUD3 · pith_short_8: ITJFDGQV

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/ITJFDGQVTWCPVUD3QACFP5MXMF \
  | 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: 44d2519a159d84fad07b800457f597614ebb8b6c3e088f3ed6e219b49d7e4dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0a8626977d35983ec014ea4565f31f91dacb83ef8289d3b45ad87c8b2f37dbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-08T17:33:59Z",
    "title_canon_sha256": "7248c47c71d5d511d29e91b42ef03836965f028811253eadc10e16965dc2be82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1755",
    "kind": "arxiv",
    "version": 1
  }
}