Pith Number

pith:SQRP3FNL

pith:2013:SQRP3FNLFPVJEWJKJSSNDM3J4F

not attested not anchored not stored refs pending

Tent spaces over metric measure spaces under doubling and related assumptions

Alex Amenta

arxiv:1305.2307 v2 · 2013-05-10 · math.CA · math.FA · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQRP3FNLFPVJEWJKJSSNDM3J4F}

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	2026-05-18T03:12:22.117292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9422fd95ab2bea92592a4ca4d1b369e1715f455e3f964e11c596dd106c1ca249

Aliases

arxiv: 1305.2307 · arxiv_version: 1305.2307v2 · doi: 10.48550/arxiv.1305.2307 · pith_short_12: SQRP3FNLFPVJ · pith_short_16: SQRP3FNLFPVJEWJK · pith_short_8: SQRP3FNL

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/SQRP3FNLFPVJEWJKJSSNDM3J4F \
  | 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: 9422fd95ab2bea92592a4ca4d1b369e1715f455e3f964e11c596dd106c1ca249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ad155ac8685e8b86628e5c0fa954804700ad475d942eca2e5788ada95e54d17",
    "cross_cats_sorted": [
      "math.FA",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-05-10T10:57:06Z",
    "title_canon_sha256": "d4db63ed539bff651714616f173ea32ee6a1f6ed90d758ef6a38f87526991f5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2307",
    "kind": "arxiv",
    "version": 2
  }
}