Pith Number

pith:LI2ZEKF3

pith:2014:LI2ZEKF3HGQH3DINRXC4TAAT2O

not attested not anchored not stored refs pending

$TMF_0(3)$ Characteristic classes for String bundles

Gerd Laures, Martin Olbermann

arxiv:1403.7301 v4 · 2014-03-28 · 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{LI2ZEKF3HGQH3DINRXC4TAAT2O}

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	2026-05-18T01:29:47.110961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a359228bb39a07d8d0d8dc5c98013d3af65df4aa26bb47fac6f6410fa637ff8

Aliases

arxiv: 1403.7301 · arxiv_version: 1403.7301v4 · doi: 10.48550/arxiv.1403.7301 · pith_short_12: LI2ZEKF3HGQH · pith_short_16: LI2ZEKF3HGQH3DIN · pith_short_8: LI2ZEKF3

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/LI2ZEKF3HGQH3DINRXC4TAAT2O \
  | 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: 5a359228bb39a07d8d0d8dc5c98013d3af65df4aa26bb47fac6f6410fa637ff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aec9c459a63c773f82d32260d9b4ac483396b988473524aa176fe22042c871f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-03-28T08:23:20Z",
    "title_canon_sha256": "9bc2fcb09157c26cf68a5517677759497e5c3597e860bdbfbc4885dd31d61318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7301",
    "kind": "arxiv",
    "version": 4
  }
}