Pith Number

pith:AOXISCHD

pith:2017:AOXISCHDIXHF6ASHTQRKK5KEY5

not attested not anchored not stored refs pending

Decoupling mixed finite elements on hierarchical triangular grids for parabolic problems

Andr\'es Arrar\'as, Laura Portero

arxiv:1702.02931 v1 · 2017-02-09 · 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{AOXISCHDIXHF6ASHTQRKK5KEY5}

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	2026-05-18T00:51:02.025418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ae8908e345ce5f02479c22a57544c7412cfab37fb33392b9179cadcd8c87b6

Aliases

arxiv: 1702.02931 · arxiv_version: 1702.02931v1 · doi: 10.48550/arxiv.1702.02931 · pith_short_12: AOXISCHDIXHF · pith_short_16: AOXISCHDIXHF6ASH · pith_short_8: AOXISCHD

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/AOXISCHDIXHF6ASHTQRKK5KEY5 \
  | 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: 03ae8908e345ce5f02479c22a57544c7412cfab37fb33392b9179cadcd8c87b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87043dc5dc098eeebf609e0db735599f3f188d5f04eb4b2860eb76ea80d2c8f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-09T18:30:08Z",
    "title_canon_sha256": "16ea5480297b26d963dfa17f5ca908d859f30fad922a3b54c33566390fbfb384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02931",
    "kind": "arxiv",
    "version": 1
  }
}