Pith Number

pith:HNQKIPN5

pith:2018:HNQKIPN52UIDIX62P56Y2BXGH3

not attested not anchored not stored refs pending

Multipoint flux mixed finite element methods for slightly compressible flow in porous media

Andr\'es Arrar\'as, Laura Portero

arxiv:1811.02298 v1 · 2018-11-06 · 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{HNQKIPN52UIDIX62P56Y2BXGH3}

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	2026-05-18T00:01:24.600504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b60a43dbdd510345fda7f7d8d06e63edf2bfee14313bd9ee8418dac342a7b22

Aliases

arxiv: 1811.02298 · arxiv_version: 1811.02298v1 · doi: 10.48550/arxiv.1811.02298 · pith_short_12: HNQKIPN52UID · pith_short_16: HNQKIPN52UIDIX62 · pith_short_8: HNQKIPN5

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/HNQKIPN52UIDIX62P56Y2BXGH3 \
  | 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: 3b60a43dbdd510345fda7f7d8d06e63edf2bfee14313bd9ee8418dac342a7b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b89592399b242dc378c54dfdb3d31f652ff8b877266d88a7a2352895e96038",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-06T11:36:18Z",
    "title_canon_sha256": "7e1698fb1eac55303065dd92fad7f7442ef6e4b3dcaa0785d0480848536e2b8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02298",
    "kind": "arxiv",
    "version": 1
  }
}