Pith Number

pith:O54BBYZT

pith:2017:O54BBYZTMVCADCST7VR5AVGMJK

not attested not anchored not stored refs pending

Grassmann measures of convex bodies

Wolfgang Weil

arxiv:1706.07651 v1 · 2017-06-23 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O54BBYZTMVCADCST7VR5AVGMJK}

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	2026-05-18T00:41:48.544189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777810e3336544018a53fd63d054cc4a81af3e73dc1895c21ea53cc435c852c0

Aliases

arxiv: 1706.07651 · arxiv_version: 1706.07651v1 · doi: 10.48550/arxiv.1706.07651 · pith_short_12: O54BBYZTMVCA · pith_short_16: O54BBYZTMVCADCST · pith_short_8: O54BBYZT

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/O54BBYZTMVCADCST7VR5AVGMJK \
  | 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: 777810e3336544018a53fd63d054cc4a81af3e73dc1895c21ea53cc435c852c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "801b7c0d8727a819d5705c4504e6eae7bc2c9252dfbd30572d3b92a13006d898",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-06-23T12:02:18Z",
    "title_canon_sha256": "eda7dfc544513a9a40f94be5e17547db86f1693e6074eb73f2a9c7a8a37ed29e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07651",
    "kind": "arxiv",
    "version": 1
  }
}