Pith Number

pith:A66ASVJX

pith:2017:A66ASVJXEBFNH7PYIR62WY6I27

not attested not anchored not stored refs pending

Global solutions to nonlinear two-phase free boundary problems

Daniela De Silva, Ovidiu Savin

arxiv:1706.07822 v1 · 2017-06-23 · 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{A66ASVJXEBFNH7PYIR62WY6I27}

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	2026-05-18T00:41:47.472182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07bc095537204ad3fdf8447dab63c8d7d0deea02d3c30572bf283518ede9d688

Aliases

arxiv: 1706.07822 · arxiv_version: 1706.07822v1 · doi: 10.48550/arxiv.1706.07822 · pith_short_12: A66ASVJXEBFN · pith_short_16: A66ASVJXEBFNH7PY · pith_short_8: A66ASVJX

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/A66ASVJXEBFNH7PYIR62WY6I27 \
  | 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: 07bc095537204ad3fdf8447dab63c8d7d0deea02d3c30572bf283518ede9d688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea3d748dd38220e7d48e87b8e33516ed3fdb25a03f19b22b5d66d58b6993d99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-06-23T18:08:58Z",
    "title_canon_sha256": "54149f54d18e289afc69eea41d4755059cf5be45e528796076b0784dee8a83d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07822",
    "kind": "arxiv",
    "version": 1
  }
}