Pith Number

pith:ZQXSSISU

pith:2016:ZQXSSISU4JTZXFBA2K5DNETDWB

not attested not anchored not stored refs pending

Sovability of the mixed Formulation for Darcy-Forchheimer Flow in Porous Media

Gerhard Summ, Peter Knabner

arxiv:1608.08829 v1 · 2016-08-31 · 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{ZQXSSISU4JTZXFBA2K5DNETDWB}

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.

Cited by

1 paper in Pith

A robust iterative scheme for the slightly compressible Darcy-Forchheimer equations

Receipt and verification

First computed	2026-05-18T01:06:39.810235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc2f292254e2679b9420d2ba369263b0433f80c7a79d7e29f8c2085d1813709c

Aliases

arxiv: 1608.08829 · arxiv_version: 1608.08829v1 · doi: 10.48550/arxiv.1608.08829 · pith_short_12: ZQXSSISU4JTZ · pith_short_16: ZQXSSISU4JTZXFBA · pith_short_8: ZQXSSISU

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/ZQXSSISU4JTZXFBA2K5DNETDWB \
  | 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: cc2f292254e2679b9420d2ba369263b0433f80c7a79d7e29f8c2085d1813709c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79898506bcb1be41bc2f07b70c2fdba0d0063158f4d2ba3d4b395dfb8ea9d238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-31T12:45:24Z",
    "title_canon_sha256": "f45d5738eb30a857aa4c9cc521669efac2b92e6e2d2c3b017a3ad3ff23061bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08829",
    "kind": "arxiv",
    "version": 1
  }
}