Pith Number

pith:CFIWWMH5

pith:2016:CFIWWMH5GD5A5DIKNEW42LZCLL

not attested not anchored not stored refs pending

The homotopy sequence for regular singular stratified bundles

Giulia Battiston, Lars Kindler

arxiv:1606.08242 v1 · 2016-06-27 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFIWWMH5GD5A5DIKNEW42LZCLL}

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	2026-05-18T01:11:52.496328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11516b30fd30fa0e8d0a692dcd2f225acfb8baa6db90c69780f3cb6ccdbd20b4

Aliases

arxiv: 1606.08242 · arxiv_version: 1606.08242v1 · doi: 10.48550/arxiv.1606.08242 · pith_short_12: CFIWWMH5GD5A · pith_short_16: CFIWWMH5GD5A5DIK · pith_short_8: CFIWWMH5

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/CFIWWMH5GD5A5DIKNEW42LZCLL \
  | 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: 11516b30fd30fa0e8d0a692dcd2f225acfb8baa6db90c69780f3cb6ccdbd20b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b84f60a32ae1f06cfb9fb8a34a35dd8dccf84fbd8f39772bc1e21aa217ebc89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-06-27T12:42:57Z",
    "title_canon_sha256": "0beab386672b7e3eb1ba1c7f9bf73ae5bde441a1b0fe585cadb5c0626e1e210f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08242",
    "kind": "arxiv",
    "version": 1
  }
}