Pith Number

pith:EOCORMZG

pith:2014:EOCORMZGFZJXV6GLDTLD3T3ZMR

not attested not anchored not stored refs pending

The topology of positive scalar curvature

Thomas Schick (Georg-August-Universit\"at G\"ottingen)

arxiv:1405.4220 v2 · 2014-05-16 · math.GT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOCORMZGFZJXV6GLDTLD3T3ZMR}

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	2026-05-18T01:36:51.716815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2384e8b3262e537af8cb1cd63dcf796456e3ba641baa8d68450e87887caf5397

Aliases

arxiv: 1405.4220 · arxiv_version: 1405.4220v2 · doi: 10.48550/arxiv.1405.4220 · pith_short_12: EOCORMZGFZJX · pith_short_16: EOCORMZGFZJXV6GL · pith_short_8: EOCORMZG

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/EOCORMZGFZJXV6GLDTLD3T3ZMR \
  | 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: 2384e8b3262e537af8cb1cd63dcf796456e3ba641baa8d68450e87887caf5397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e9cf177b969ed943ea8a70719e344bbbec3003a0165d02db7271a7e33bfba44",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-05-16T16:03:38Z",
    "title_canon_sha256": "fec90cc11851ca1d0ab4eea3b56c2dc97c88772c28a0736bd0fb5e3c250bd1bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4220",
    "kind": "arxiv",
    "version": 2
  }
}