Pith Number

pith:VDGITJAL

pith:2018:VDGITJALSI5DKX7X5QQCA544KP

not attested not anchored not stored refs pending

Linear iterative schemes for doubly degenerate parabolic equations

Florin A. Radu, Iuliu Sorin Pop, Jakub W. Both, Jan M. Nordbotten, Kundan Kumar

arxiv:1801.00846 v1 · 2018-01-02 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDGITJALSI5DKX7X5QQCA544KP}

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	2026-06-04T19:11:23.519971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8cc89a40b923a355ff7ec2020779c53f9b8feff91aa7dd74ead67b8819ecc55

Aliases

arxiv: 1801.00846 · arxiv_version: 1801.00846v1 · doi: 10.48550/arxiv.1801.00846 · pith_short_12: VDGITJALSI5D · pith_short_16: VDGITJALSI5DKX7X · pith_short_8: VDGITJAL

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/VDGITJALSI5DKX7X5QQCA544KP \
  | 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: a8cc89a40b923a355ff7ec2020779c53f9b8feff91aa7dd74ead67b8819ecc55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fc8af8131d8016d02ac17e0f7a31eb31dad58ddb539638ac5ca5120d41e80c7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-02T21:51:12Z",
    "title_canon_sha256": "7caad6898240f242528266893797884129c66b8c53d2cdb1d72c2778e6a825f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00846",
    "kind": "arxiv",
    "version": 1
  }
}