Pith Number

pith:PISJQVDU

pith:2018:PISJQVDUO5S7652ZPRSADS6JU7

not attested not anchored not stored refs pending

Totally smooth renormings

Dirk Werner, Eve Oja, Tauri Viil

arxiv:1807.07335 v1 · 2018-07-19 · 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{PISJQVDUO5S7652ZPRSADS6JU7}

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	2026-05-18T00:10:20.467409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a249854747765ff77597c6401cbc9a7c027155db8ecf82f486b7c2c4bebc879

Aliases

arxiv: 1807.07335 · arxiv_version: 1807.07335v1 · doi: 10.48550/arxiv.1807.07335 · pith_short_12: PISJQVDUO5S7 · pith_short_16: PISJQVDUO5S7652Z · pith_short_8: PISJQVDU

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/PISJQVDUO5S7652ZPRSADS6JU7 \
  | 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: 7a249854747765ff77597c6401cbc9a7c027155db8ecf82f486b7c2c4bebc879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "726182ac8834e2b2ff34d2f9c42105c4ccb4a8497f5b3bb1d55c459f46c6e62e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-07-19T10:36:06Z",
    "title_canon_sha256": "8c621f47419d117e02133be952d97d5393c0e262fc6652f9b9366721081061b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07335",
    "kind": "arxiv",
    "version": 1
  }
}