Pith Number

pith:OICHWE75

pith:2011:OICHWE75EFJ7CHLG2AOA3HZO77

not attested not anchored not stored refs pending

The BGG Complex on Projective Space

A. Rod Gover, Michael G. Eastwood

arxiv:1106.4623 v1 · 2011-06-23 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OICHWE75EFJ7CHLG2AOA3HZO77}

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	2026-05-18T04:19:31.825156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72047b13fd2153f11d66d01c0d9f2effe1915769244086a55f8b7bcfd1a577ac

Aliases

arxiv: 1106.4623 · arxiv_version: 1106.4623v1 · doi: 10.48550/arxiv.1106.4623 · pith_short_12: OICHWE75EFJ7 · pith_short_16: OICHWE75EFJ7CHLG · pith_short_8: OICHWE75

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/OICHWE75EFJ7CHLG2AOA3HZO77 \
  | 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: 72047b13fd2153f11d66d01c0d9f2effe1915769244086a55f8b7bcfd1a577ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a435ce16941b051341d7d8b3ad194ea14c0c3fe897e60d773978ad11952f943a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-06-23T04:36:25Z",
    "title_canon_sha256": "797be96ceefb98d15cbcccae765a9cd4294badbf74dfdcd4a8153534fd364ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4623",
    "kind": "arxiv",
    "version": 1
  }
}