Pith Number

pith:FD22FFXU

pith:2003:FD22FFXU7VPKH6Z4WJO2GPLSWM

not attested not anchored not stored refs pending

Interpolation in $\hat{\E^\prime}(\R)$

Joaquim Ortega-Cerd\`a, Myriam Ouna\"ies, Xavier Massaneda

arxiv:math/0311350 v1 · 2003-11-20 · math.CV · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FD22FFXU7VPKH6Z4WJO2GPLSWM}

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	2026-05-18T01:08:59.759193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f5a296f4fd5ea3fb3cb25da33d72b31351088be70fc24085d33afd3c7cbf44

Aliases

arxiv: math/0311350 · arxiv_version: math/0311350v1 · doi: 10.48550/arxiv.math/0311350 · pith_short_12: FD22FFXU7VPK · pith_short_16: FD22FFXU7VPKH6Z4 · pith_short_8: FD22FFXU

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/FD22FFXU7VPKH6Z4WJO2GPLSWM \
  | 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: 28f5a296f4fd5ea3fb3cb25da33d72b31351088be70fc24085d33afd3c7cbf44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4b4d1c33e40fce43a8caf38dc840a009cf33ef65fd0cfa4334b81551e528c36",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "",
    "primary_cat": "math.CV",
    "submitted_at": "2003-11-20T14:50:41Z",
    "title_canon_sha256": "217ba0a4554c4b350bb59ebf97fbf552cc77ebf0602c3da2fd33898b2f263c60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0311350",
    "kind": "arxiv",
    "version": 1
  }
}