Pith Number

pith:6IMLPCMD

pith:2013:6IMLPCMDC66S6FJFSOKFPGVARC

not attested not anchored not stored refs pending

Topology of angle valued maps, bar codes and Jordan blocks

Dan Burghelea, Stefan Haller

arxiv:1303.4328 v7 · 2013-03-18 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IMLPCMDC66S6FJFSOKFPGVARC}

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	2026-05-18T00:41:42.385949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f218b7898317bd2f15259394579aa088a9c1d19e76f81284ffe0469574112b72

Aliases

arxiv: 1303.4328 · arxiv_version: 1303.4328v7 · doi: 10.48550/arxiv.1303.4328 · pith_short_12: 6IMLPCMDC66S · pith_short_16: 6IMLPCMDC66S6FJF · pith_short_8: 6IMLPCMD

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/6IMLPCMDC66S6FJFSOKFPGVARC \
  | 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: f218b7898317bd2f15259394579aa088a9c1d19e76f81284ffe0469574112b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba54a3f16b7eca1464b2a467118b6426230a498f55c60dc7636df916831d73a4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-03-18T17:27:49Z",
    "title_canon_sha256": "b12c1aab7dc5a6f83fcdff6b9a40a2e434172ac4377467f8a08ae1d909d65f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4328",
    "kind": "arxiv",
    "version": 7
  }
}