Pith Number

pith:NVORH5K2

pith:2011:NVORH5K2OI4M7AG3GXJAH2I7CW

not attested not anchored not stored refs pending

Tangent measures of non-doubling measures

Tuomas Orponen, Tuomas Sahlsten

arxiv:1105.2531 v2 · 2011-05-12 · 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{NVORH5K2OI4M7AG3GXJAH2I7CW}

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	2026-05-18T02:01:59.004116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d5d13f55a7238cf80db35d203e91f15a9d79fbbdf35f03de955de11c1edfcca

Aliases

arxiv: 1105.2531 · arxiv_version: 1105.2531v2 · doi: 10.48550/arxiv.1105.2531 · pith_short_12: NVORH5K2OI4M · pith_short_16: NVORH5K2OI4M7AG3 · pith_short_8: NVORH5K2

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/NVORH5K2OI4M7AG3GXJAH2I7CW \
  | 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: 6d5d13f55a7238cf80db35d203e91f15a9d79fbbdf35f03de955de11c1edfcca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea308a89c708642d50a4461ddbee7ffd4acb1850ebd080ce2122620e90de6f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-05-12T17:07:20Z",
    "title_canon_sha256": "c83d600da6e33315fae38c4316e3f292a4c64749f23a917953bb5c3c9345458e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2531",
    "kind": "arxiv",
    "version": 2
  }
}