Pith Number

pith:VTNYHX7R

pith:2017:VTNYHX7RHOUUQEQMIDGFFK4YK4

not attested not anchored not stored refs pending

Mixed and discontinuous finite volume element schemes for the optimal control of immiscible flow in porous media

R. Ruiz Baier, R. Sandilya, S. Kumar

arxiv:1710.08203 v1 · 2017-10-23 · 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{VTNYHX7RHOUUQEQMIDGFFK4YK4}

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	2026-05-17T23:47:16.190280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acdb83dff13ba948120c40cc52ab9857017508565f4bd7e02b3479438c018dd3

Aliases

arxiv: 1710.08203 · arxiv_version: 1710.08203v1 · doi: 10.48550/arxiv.1710.08203 · pith_short_12: VTNYHX7RHOUU · pith_short_16: VTNYHX7RHOUUQEQM · pith_short_8: VTNYHX7R

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/VTNYHX7RHOUUQEQMIDGFFK4YK4 \
  | 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: acdb83dff13ba948120c40cc52ab9857017508565f4bd7e02b3479438c018dd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8deff1bf849d88c46ec0afeac3fe9a3f1847d7991d45ee254f0d045a802577b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-23T11:14:48Z",
    "title_canon_sha256": "d355e39f6b2939351a177c7442e02ac6d26362c90f3a6f900ac65ba24d629ef1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08203",
    "kind": "arxiv",
    "version": 1
  }
}