Pith Number

pith:QG7NVQJF

pith:2015:QG7NVQJFDWI3B52MTWHRPJT2R5

not attested not anchored not stored refs pending

Robust A Posteriori Error Estimation for Finite Element Approximation to H(curl) Problem

Rob Falgout, Shuhao Cao, Zhiqiang Cai

arxiv:1510.00027 v2 · 2015-09-30 · 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{QG7NVQJFDWI3B52MTWHRPJT2R5}

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	2026-05-18T01:11:13.302740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81bedac1251d91b0f74c9d8f17a67a8f5f6151592e41f1d89e34b44c8c8fd169

Aliases

arxiv: 1510.00027 · arxiv_version: 1510.00027v2 · doi: 10.48550/arxiv.1510.00027 · pith_short_12: QG7NVQJFDWI3 · pith_short_16: QG7NVQJFDWI3B52M · pith_short_8: QG7NVQJF

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/QG7NVQJFDWI3B52MTWHRPJT2R5 \
  | 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: 81bedac1251d91b0f74c9d8f17a67a8f5f6151592e41f1d89e34b44c8c8fd169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f6f1bc484ee5000329c95709bc31ab3f18e507cfb99e60c1de9d0c9f904ae5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-30T20:31:38Z",
    "title_canon_sha256": "59b270e42637183e210d26effdd4032684bbf6b3a73262c9cd956ee7c32206cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00027",
    "kind": "arxiv",
    "version": 2
  }
}