Pith Number

pith:Z2FRAPQD

pith:2019:Z2FRAPQDCEDVLYWXOPZTY7GFXY

not attested not anchored not stored refs pending

Two remarks on the interpolation space

Mohammad Daher

arxiv:1908.02977 v2 · 2019-08-08 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2FRAPQDCEDVLYWXOPZTY7GFXY}

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	2026-07-04T23:56:36.187953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce8b103e03110755e2d773f33c7cc5be274bc99ac423ef7f25f54dd94033b96e

Aliases

arxiv: 1908.02977 · arxiv_version: 1908.02977v2 · doi: 10.48550/arxiv.1908.02977 · pith_short_12: Z2FRAPQDCEDV · pith_short_16: Z2FRAPQDCEDVLYWX · pith_short_8: Z2FRAPQD

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/Z2FRAPQDCEDVLYWXOPZTY7GFXY \
  | 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: ce8b103e03110755e2d773f33c7cc5be274bc99ac423ef7f25f54dd94033b96e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cbca750e55fc27489d505e0c9228c098ce52250ffe52e154b2c65eaf9a2397",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-08-08T08:55:34Z",
    "title_canon_sha256": "8760d379c7cadd2166089878589d135124b9820a9bc0d3e9f61a8951a12fb061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02977",
    "kind": "arxiv",
    "version": 2
  }
}