Pith Number

pith:PJPO2RYF

pith:2015:PJPO2RYFY5OTQXAMIVQ3EB2EGC

not attested not anchored not stored refs pending

Building geometrically continuous splines

Raimundas Vidunas

arxiv:1510.07475 v1 · 2015-10-26 · math.DG · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJPO2RYFY5OTQXAMIVQ3EB2EGC}

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	2026-05-18T01:29:13.991271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5eed4705c75d385c0c4561b2074430b26b47cb97e31ba3775abe3c95b0233a

Aliases

arxiv: 1510.07475 · arxiv_version: 1510.07475v1 · doi: 10.48550/arxiv.1510.07475 · pith_short_12: PJPO2RYFY5OT · pith_short_16: PJPO2RYFY5OTQXAM · pith_short_8: PJPO2RYF

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/PJPO2RYFY5OTQXAMIVQ3EB2EGC \
  | 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: 7a5eed4705c75d385c0c4561b2074430b26b47cb97e31ba3775abe3c95b0233a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b92beea56bb41bfe2d68c75dac80553a9091788a39f53f8059f5957f7f3e216e",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-10-26T13:26:52Z",
    "title_canon_sha256": "7d7dcb08d62160c9273b0c457b481e95f8a8fe62fb5b2b604f606eb17ae5acad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07475",
    "kind": "arxiv",
    "version": 1
  }
}