Pith Number

pith:TV7MMTVV

pith:2015:TV7MMTVVRIGAAJCRHRNF7ADC57

not attested not anchored not stored refs pending

Parameter-robust discretization and preconditioning of Biot's consolidation model

Jeonghun J. Lee, Kent-Andre Mardal, Ragnar Winther

arxiv:1507.03199 v4 · 2015-07-12 · 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{TV7MMTVVRIGAAJCRHRNF7ADC57}

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	2026-05-18T01:12:13.390488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d7ec64eb58a0c0024513c5a5f8062efd35fd9144cc39ee526de284238b511c4

Aliases

arxiv: 1507.03199 · arxiv_version: 1507.03199v4 · doi: 10.48550/arxiv.1507.03199 · pith_short_12: TV7MMTVVRIGA · pith_short_16: TV7MMTVVRIGAAJCR · pith_short_8: TV7MMTVV

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/TV7MMTVVRIGAAJCRHRNF7ADC57 \
  | 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: 9d7ec64eb58a0c0024513c5a5f8062efd35fd9144cc39ee526de284238b511c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5549c69ef1dcaddb42cffb1e5a7866c1cbf1b9277291bb1413b62b84b99cc08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-12T07:45:27Z",
    "title_canon_sha256": "6b3895a5a1ed62c567b8749abb5690b3b364971bb1f0dd1f265fa640be73e9c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03199",
    "kind": "arxiv",
    "version": 4
  }
}