Pith Number

pith:PBD4H44O

pith:2018:PBD4H44OM4ZK7YYV54CCJX776M

not attested not anchored not stored refs pending

On long time behavior of periodic entropy solutions of a degenerate non-linear parabolic equation

Evgeny Yu. Panov

arxiv:1802.03942 v1 · 2018-02-12 · 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{PBD4H44OM4ZK7YYV54CCJX776M}

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	2026-05-18T00:23:49.930085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7847c3f38e6732afe315ef0424dffff310e201a2ad69a5a8e0a72e0a71413af5

Aliases

arxiv: 1802.03942 · arxiv_version: 1802.03942v1 · doi: 10.48550/arxiv.1802.03942 · pith_short_12: PBD4H44OM4ZK · pith_short_16: PBD4H44OM4ZK7YYV · pith_short_8: PBD4H44O

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/PBD4H44OM4ZK7YYV54CCJX776M \
  | 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: 7847c3f38e6732afe315ef0424dffff310e201a2ad69a5a8e0a72e0a71413af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a903950a7de26cdf75a7d5136e5f74b18ad35535d0b9ee70b4ad629566248fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-12T09:06:33Z",
    "title_canon_sha256": "120dcc3369bb3c59533d0ecca15e3b0a6ced426ac1d19629810981d8473b12a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03942",
    "kind": "arxiv",
    "version": 1
  }
}