Pith Number

pith:7S3XVRBN

pith:2017:7S3XVRBNUE3LKC4EWHFF66SXIZ

not attested not anchored not stored refs pending

Veamy: an extensible object-oriented C++ library for the virtual element method

Alejandro Ortiz-Bernardin, Alessandro Russo, Catalina Alvarez, Edgardo Olate-Sanzana, Nancy Hitschfeld-Kahler, Rodrigo Silva-Valenzuela

arxiv:1708.03438 v4 · 2017-08-11 · cs.MS · cs.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{7S3XVRBNUE3LKC4EWHFF66SXIZ}

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	2026-05-17T23:57:32.715037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb77ac42da136b50b84b1ca5f7a57466daaaa7e39f4c1c8f75800ecc3673453

Aliases

arxiv: 1708.03438 · arxiv_version: 1708.03438v4 · doi: 10.48550/arxiv.1708.03438 · pith_short_12: 7S3XVRBNUE3L · pith_short_16: 7S3XVRBNUE3LKC4E · pith_short_8: 7S3XVRBN

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/7S3XVRBNUE3LKC4EWHFF66SXIZ \
  | 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: fcb77ac42da136b50b84b1ca5f7a57466daaaa7e39f4c1c8f75800ecc3673453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dc7e7105a37fd995f896d137e00b43f2fdfe83e5438d424f604dabea0d6f36d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2017-08-11T05:39:36Z",
    "title_canon_sha256": "fe242d8ef57f89bb3fcb101557904869f8727f9c7ff9504f333b4d29c461e9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03438",
    "kind": "arxiv",
    "version": 4
  }
}