Pith Number

pith:DBSOODME

pith:2018:DBSOODMESWXDPC7H7BRFZBEDM7

not attested not anchored not stored refs pending

McShane-Whitney extensions in constructive analysis

Iosif Petrakis

arxiv:1804.06757 v5 · 2018-04-18 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBSOODMESWXDPC7H7BRFZBEDM7}

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	2026-07-05T06:23:24.013673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1864e70d8495ae378be7f8625c848367e80ace9e29b1f372f9f4d416c1a58e79

Aliases

arxiv: 1804.06757 · arxiv_version: 1804.06757v5 · doi: 10.48550/arxiv.1804.06757 · pith_short_12: DBSOODMESWXD · pith_short_16: DBSOODMESWXDPC7H · pith_short_8: DBSOODME

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/DBSOODMESWXDPC7H7BRFZBEDM7 \
  | 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: 1864e70d8495ae378be7f8625c848367e80ace9e29b1f372f9f4d416c1a58e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e96a286b38f3e0e1b3cf11cd3fb2727b11b0958838f2c3d94882fcbdd9f79a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-04-18T14:31:16Z",
    "title_canon_sha256": "58c5d58404d9afff6da1b881dbc7900729b26486eb281ddef3c1bec83cb4ed78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06757",
    "kind": "arxiv",
    "version": 5
  }
}