Pith Number

pith:7N5DCRFI

pith:2016:7N5DCRFIL4JCXXMGIMJBTUTBAN

not attested not anchored not stored refs pending

Measures and fibers

Piotr Borodulin-Nadzieja

arxiv:1603.07501 v1 · 2016-03-24 · math.LO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7N5DCRFIL4JCXXMGIMJBTUTBAN}

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	2026-05-18T01:18:20.717472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb7a3144a85f122bdd86431219d261035403fba1795444263eb9797095b1ed02

Aliases

arxiv: 1603.07501 · arxiv_version: 1603.07501v1 · doi: 10.48550/arxiv.1603.07501 · pith_short_12: 7N5DCRFIL4JC · pith_short_16: 7N5DCRFIL4JCXXMG · pith_short_8: 7N5DCRFI

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/7N5DCRFIL4JCXXMGIMJBTUTBAN \
  | 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: fb7a3144a85f122bdd86431219d261035403fba1795444263eb9797095b1ed02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd150ed71e03b489e6ae13c3f28a3836ce5b11004a8f3c3ef7910011b3b2a310",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-03-24T09:41:50Z",
    "title_canon_sha256": "6ea90fb1562e6c96ad245bcf6df2e4b03ecfc5523bb780d52693ddfa35736c72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07501",
    "kind": "arxiv",
    "version": 1
  }
}