Pith Number

pith:VIY3FIWM

pith:2017:VIY3FIWMUPHG7ETM3TX6AJDJMP

not attested not anchored not stored refs pending

A stabilized trace finite element method for partial differential equations on evolving surfaces

Christoph Lehrenfeld, Maxim A. Olshanskii, Xianmin Xu

arxiv:1709.07117 v2 · 2017-09-21 · 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{VIY3FIWMUPHG7ETM3TX6AJDJMP}

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	2026-05-18T00:20:24.291816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa31b2a2cca3ce6f926cdcefe0246963d80d979e5a903fa38833413f2c4246d8

Aliases

arxiv: 1709.07117 · arxiv_version: 1709.07117v2 · doi: 10.48550/arxiv.1709.07117 · pith_short_12: VIY3FIWMUPHG · pith_short_16: VIY3FIWMUPHG7ETM · pith_short_8: VIY3FIWM

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/VIY3FIWMUPHG7ETM3TX6AJDJMP \
  | 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: aa31b2a2cca3ce6f926cdcefe0246963d80d979e5a903fa38833413f2c4246d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ee7dae9f231b4f4fc19e2480970dd0ac9fc22b803333a970adbf0205714bdb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-21T01:03:29Z",
    "title_canon_sha256": "a7deffe2ea4605226b018de89bda154095aa61c7013de0b325befd84ef79aa1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07117",
    "kind": "arxiv",
    "version": 2
  }
}