Pith Number

pith:CIZTQJEC

pith:2018:CIZTQJECV2HO5M6E3Q4W6KZ4BB

not attested not anchored not stored refs pending

Existence of a solution for generalized Forchheimer flow in porous media

Thinh Kieu

arxiv:1804.01409 v1 · 2018-04-02 · math.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{CIZTQJECV2HO5M6E3Q4W6KZ4BB}

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	2026-05-18T00:19:15.110136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1233382482ae8eeeb3c4dc396f2b3c08440b5a92aaf6f6471aca5cfc6d20b146

Aliases

arxiv: 1804.01409 · arxiv_version: 1804.01409v1 · doi: 10.48550/arxiv.1804.01409 · pith_short_12: CIZTQJECV2HO · pith_short_16: CIZTQJECV2HO5M6E · pith_short_8: CIZTQJEC

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/CIZTQJECV2HO5M6E3Q4W6KZ4BB \
  | 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: 1233382482ae8eeeb3c4dc396f2b3c08440b5a92aaf6f6471aca5cfc6d20b146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470a66728eaa359005f2d8f2cca4aab121e2b63f77efe78cf772e003ad3e3ed8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-02T22:48:24Z",
    "title_canon_sha256": "abf60b1deef257d7aa6444e99fd18a62c9f00c00dde511d3faa84b76ad58c8ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01409",
    "kind": "arxiv",
    "version": 1
  }
}