Pith Number

pith:57WWISGY

pith:2016:57WWISGYEZ23TOXYEHL6JK3RIC

not attested not anchored not stored refs pending

Optimal-transport-based mesh adaptivity on the plane and sphere using finite elements

Andrew T. T. McRae, Chris J. Budd, Colin J. Cotter

arxiv:1612.08077 v3 · 2016-12-23 · 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{57WWISGYEZ23TOXYEHL6JK3RIC}

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	2026-05-18T00:29:51.924033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efed6448d82675b9baf821d7e4ab7140a7ac3aa22fc142bcb22c27c91e2579f1

Aliases

arxiv: 1612.08077 · arxiv_version: 1612.08077v3 · doi: 10.48550/arxiv.1612.08077 · pith_short_12: 57WWISGYEZ23 · pith_short_16: 57WWISGYEZ23TOXY · pith_short_8: 57WWISGY

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/57WWISGYEZ23TOXYEHL6JK3RIC \
  | 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: efed6448d82675b9baf821d7e4ab7140a7ac3aa22fc142bcb22c27c91e2579f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbb8d73ba1ff06996551c4ab60131411ac0b39014c4d720c7221c533bc0ae898",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-23T20:11:40Z",
    "title_canon_sha256": "6b45e12d7a8dea83d6e9a9975fa7c980d779d171a0bf786ee8ff18cb72456a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08077",
    "kind": "arxiv",
    "version": 3
  }
}