Pith Number

pith:FDJA336M

pith:2019:FDJA336MAHKY7T7435HEIZOOUN

not attested not anchored not stored refs pending

Adaptive Flux-Only Least-Squares Finite Element Methods for Linear Transport Equations

Qunjie Liu, Shun Zhang

arxiv:1907.06991 v1 · 2019-07-15 · 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{FDJA336MAHKY7T7435HEIZOOUN}

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	2026-05-17T23:40:28.416419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d20defcc01d58fcffcdf4e4465cea3692cbaba27bfd31e6b4cf8b8de94820e

Aliases

arxiv: 1907.06991 · arxiv_version: 1907.06991v1 · doi: 10.48550/arxiv.1907.06991 · pith_short_12: FDJA336MAHKY · pith_short_16: FDJA336MAHKY7T74 · pith_short_8: FDJA336M

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/FDJA336MAHKY7T7435HEIZOOUN \
  | 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: 28d20defcc01d58fcffcdf4e4465cea3692cbaba27bfd31e6b4cf8b8de94820e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fbb13434cde6d204b9820d50e239b26db4b2aa700e1ca9ef4835f0924803f28",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-15T04:52:09Z",
    "title_canon_sha256": "e3a58727ef5a6244fe8280ea2dd3325a55b1b0503b2ff5316d17b6bfdc812495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06991",
    "kind": "arxiv",
    "version": 1
  }
}