Pith Number

pith:3IHO7IVQ

pith:2015:3IHO7IVQEOEINLQSI4VROTDBBW

not attested not anchored not stored refs pending

Boundedness and continuity of the time derivative in the parabolic Signorini problem

Andrew Zeller, Arshak Petrosyan

arxiv:1512.09173 v1 · 2015-12-30 · 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{3IHO7IVQEOEINLQSI4VROTDBBW}

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	2026-05-18T01:23:33.115222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da0eefa2b0238886ae12472b174c610d93992427790df7da0924a7ce9267f48b

Aliases

arxiv: 1512.09173 · arxiv_version: 1512.09173v1 · doi: 10.48550/arxiv.1512.09173 · pith_short_12: 3IHO7IVQEOEI · pith_short_16: 3IHO7IVQEOEINLQS · pith_short_8: 3IHO7IVQ

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/3IHO7IVQEOEINLQSI4VROTDBBW \
  | 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: da0eefa2b0238886ae12472b174c610d93992427790df7da0924a7ce9267f48b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd4408803ea92e152c2dfc25e1dc29227eca6b7622773618392038cd87a1f558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-12-30T22:42:46Z",
    "title_canon_sha256": "12c911b4c4db84cc975063990de706d49b6659443d6e0bd992b29cdab73ba6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09173",
    "kind": "arxiv",
    "version": 1
  }
}