Pith Number

pith:4RBN452S

pith:2015:4RBN452SPARXJBEBUWSONEVVZE

not attested not anchored not stored refs pending

The $\infty$-Besov Capacity Problem

Jie Xiao, Mario Milman

arxiv:1506.01901 v2 · 2015-06-05 · math.AP

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

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	2026-05-18T00:43:36.112420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e442de77527823748481a5a4e692b5c938c1b3a6279f4cec2195ce2d3512fe90

Aliases

arxiv: 1506.01901 · arxiv_version: 1506.01901v2 · doi: 10.48550/arxiv.1506.01901 · pith_short_12: 4RBN452SPARX · pith_short_16: 4RBN452SPARXJBEB · pith_short_8: 4RBN452S

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/4RBN452SPARXJBEBUWSONEVVZE \
  | 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: e442de77527823748481a5a4e692b5c938c1b3a6279f4cec2195ce2d3512fe90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8eff87fee739392397c8e42ae020e9905fe9fac100f58823f615e6d84889c57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-06-05T13:25:29Z",
    "title_canon_sha256": "fec7ed213819263bce7f6a73e7c736e3a65dcbdb9494e2fff669c7e5a1222863"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01901",
    "kind": "arxiv",
    "version": 2
  }
}