Pith Number

pith:Q5IL36P3

pith:2010:Q5IL36P35Z5MQ7MME5MIFQVHDL

not attested not anchored not stored refs pending

The Mayer-Vietoris Property in Differential Cohomology

Dennis Sullivan, James Simons

arxiv:1010.5269 v2 · 2010-10-25 · math.AT · math.DG · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5IL36P35Z5MQ7MME5MIFQVHDL}

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	2026-05-18T04:37:21.793667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8750bdf9fbee7ac87d8c275882c2a71ac609dbea9d14cc84f6e895094649b41c

Aliases

arxiv: 1010.5269 · arxiv_version: 1010.5269v2 · doi: 10.48550/arxiv.1010.5269 · pith_short_12: Q5IL36P35Z5M · pith_short_16: Q5IL36P35Z5MQ7MM · pith_short_8: Q5IL36P3

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/Q5IL36P35Z5MQ7MME5MIFQVHDL \
  | 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: 8750bdf9fbee7ac87d8c275882c2a71ac609dbea9d14cc84f6e895094649b41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "207ff66ade2cbd9c72aa72422d7fec1a9dca50462f1cad49d474933ac88dc00e",
    "cross_cats_sorted": [
      "math.DG",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-10-25T21:16:05Z",
    "title_canon_sha256": "08709545a2879a4c35fc3f525a2baef5fc3c0f3f27746a896645fcd8cc5a4601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5269",
    "kind": "arxiv",
    "version": 2
  }
}