Pith Number

pith:VKTTIICE

pith:2008:VKTTIICEGNXEGTSLC6VMIG4WLO

not attested not anchored not stored refs pending

On Casson-type instanton moduli spaces over negative definite four-manifolds

Andrew Lobb, Raphael Zentner

arxiv:0802.4041 v4 · 2008-02-27 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKTTIICEGNXEGTSLC6VMIG4WLO}

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	2026-05-18T03:38:46.666277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa7342044336e434e4b17aac41b965bb7c650d7c629c1203ead12eeeee4b472

Aliases

arxiv: 0802.4041 · arxiv_version: 0802.4041v4 · doi: 10.48550/arxiv.0802.4041 · pith_short_12: VKTTIICEGNXE · pith_short_16: VKTTIICEGNXEGTSL · pith_short_8: VKTTIICE

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/VKTTIICEGNXEGTSLC6VMIG4WLO \
  | 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: aaa7342044336e434e4b17aac41b965bb7c650d7c629c1203ead12eeeee4b472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b2f87446ca162ba9f42198f2112507f59f653afc05628f3fee3a1e0411a5df",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-02-27T16:06:19Z",
    "title_canon_sha256": "9d5219f289e1689eafd4729ab5954c645f15f101b78e2b0bd504ed484775aa8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4041",
    "kind": "arxiv",
    "version": 4
  }
}