Pith Number

pith:OHUVOQ3D

pith:2025:OHUVOQ3DKHPNMW7ZPKY4SDIC5K

not attested not anchored not stored refs pending

Fully-Mixed Virtual Element Method for the Biot Problem

Anna Scotti, Daniele Prada, Michele Botti, Michele Visinoni

arxiv:2504.17729 v1 · 2025-04-24 · 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{OHUVOQ3DKHPNMW7ZPKY4SDIC5K}

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	2026-07-05T10:53:40.185289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71e957436351ded65bf97ab1c90d02ea91c9fdee4602890ae49b5f9933a4a407

Aliases

arxiv: 2504.17729 · arxiv_version: 2504.17729v1 · doi: 10.48550/arxiv.2504.17729 · pith_short_12: OHUVOQ3DKHPN · pith_short_16: OHUVOQ3DKHPNMW7Z · pith_short_8: OHUVOQ3D

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/OHUVOQ3DKHPNMW7ZPKY4SDIC5K \
  | 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: 71e957436351ded65bf97ab1c90d02ea91c9fdee4602890ae49b5f9933a4a407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c55fd70e54673ce3a338c729b90deae7c90a44bed5b9d87bad7a88f485ca2a3f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-24T16:42:50Z",
    "title_canon_sha256": "87d0b262d1b69be0aaf1ae5335908075e95cc1116a3af9ce9bf1dec009f48afd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17729",
    "kind": "arxiv",
    "version": 1
  }
}