Pith Number

pith:TYQ6DDTW

pith:2015:TYQ6DDTWVTOXJAPB4MZRBF4QDQ

not attested not anchored not stored refs pending

IGS: an IsoGeometric approach for Smoothing on surfaces

Laura M. Sangalli, Luca Ded\`e, Matthieu Wilhelm, Pierre Wilhelm

arxiv:1508.05214 v2 · 2015-08-21 · stat.ME · 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{TYQ6DDTWVTOXJAPB4MZRBF4QDQ}

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	2026-05-18T01:16:49.211816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e21e18e76acdd7481e1e3331097901c01158be380f76611faa5b58b14ae06c2

Aliases

arxiv: 1508.05214 · arxiv_version: 1508.05214v2 · doi: 10.48550/arxiv.1508.05214 · pith_short_12: TYQ6DDTWVTOX · pith_short_16: TYQ6DDTWVTOXJAPB · pith_short_8: TYQ6DDTW

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/TYQ6DDTWVTOXJAPB4MZRBF4QDQ \
  | 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: 9e21e18e76acdd7481e1e3331097901c01158be380f76611faa5b58b14ae06c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe0525a416a842c406f6d845bae38cd4f1f99dbab9d4675dc06ea5f79593f169",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-08-21T08:57:45Z",
    "title_canon_sha256": "23a3ba62ff6332c30e03cb1da5403741d4496b07b88f9a06a7f9d07224ee8689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05214",
    "kind": "arxiv",
    "version": 2
  }
}