Pith Number

pith:GSJP67XO

pith:2017:GSJP67XOBWKBII6QZCYUEQ6C22

not attested not anchored not stored refs pending

Accurate gradient computations at interfaces using finite element methods

Fangfang Qin, Zhaohui Wang, Zhijie Ma, Zhilin Li

arxiv:1703.00093 v1 · 2017-03-01 · 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{GSJP67XOBWKBII6QZCYUEQ6C22}

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	2026-05-18T00:49:45.979263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3492ff7eee0d941423d0c8b14243c2d6abca2647276ab43da6fa76fd40d40a6d

Aliases

arxiv: 1703.00093 · arxiv_version: 1703.00093v1 · doi: 10.48550/arxiv.1703.00093 · pith_short_12: GSJP67XOBWKB · pith_short_16: GSJP67XOBWKBII6Q · pith_short_8: GSJP67XO

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/GSJP67XOBWKBII6QZCYUEQ6C22 \
  | 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: 3492ff7eee0d941423d0c8b14243c2d6abca2647276ab43da6fa76fd40d40a6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e759683fa3c4949f64c5421dec0b05ca0ee08a566989a99da295d60315a73ed1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-01T00:33:05Z",
    "title_canon_sha256": "410cd6aa2c9188473d0f08ff34585711ea30195b7c79bd132f492fa8497d49a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00093",
    "kind": "arxiv",
    "version": 1
  }
}