Pith Number

pith:WYZPZFK5

pith:2015:WYZPZFK57TP6X7BEVE4FGEZ67Y

not attested not anchored not stored refs pending

Stratification of free boundary points for a two-phase variational problem

Aram L. Karakhanyan, Serena Dipierro

arxiv:1508.07447 v3 · 2015-08-29 · 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{WYZPZFK57TP6X7BEVE4FGEZ67Y}

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	2026-05-18T01:24:38.205611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b632fc955dfcdfebfc24a93853133efe03eaba53831b4916f439b30edd3e466e

Aliases

arxiv: 1508.07447 · arxiv_version: 1508.07447v3 · doi: 10.48550/arxiv.1508.07447 · pith_short_12: WYZPZFK57TP6 · pith_short_16: WYZPZFK57TP6X7BE · pith_short_8: WYZPZFK5

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/WYZPZFK57TP6X7BEVE4FGEZ67Y \
  | 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: b632fc955dfcdfebfc24a93853133efe03eaba53831b4916f439b30edd3e466e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc885833372f6c2c3b93d58c0099d5747185f0935606635c9307252e54b389dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-08-29T13:18:45Z",
    "title_canon_sha256": "ce0d2bd89064bd4e7d7e70fa45cb494234334190f182a215655188e908e06a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07447",
    "kind": "arxiv",
    "version": 3
  }
}