Pith Number

pith:FXD7QA32

pith:2009:FXD7QA327WNR4DMFZJJ2B4TSVA

not attested not anchored not stored refs pending

Unraveling L_{n,k}: Grassmannian Kinematics

Jared Kaplan

arxiv:0912.0957 v1 · 2009-12-07 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXD7QA327WNR4DMFZJJ2B4TSVA}

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	2026-05-18T02:10:26.337884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc7f8037afd9b1e0d85ca53a0f272a82c1b3540b48c943351ab453c63997531

Aliases

arxiv: 0912.0957 · arxiv_version: 0912.0957v1 · doi: 10.48550/arxiv.0912.0957 · pith_short_12: FXD7QA327WNR · pith_short_16: FXD7QA327WNR4DMF · pith_short_8: FXD7QA32

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/FXD7QA327WNR4DMFZJJ2B4TSVA \
  | 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: 2dc7f8037afd9b1e0d85ca53a0f272a82c1b3540b48c943351ab453c63997531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfd615eaea43db64a256b36dc538851233e88ce7396e3af029631d6ac67d5a4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-12-07T18:29:14Z",
    "title_canon_sha256": "95e264b0880e23ae8f67a88ed5f74a765c926920823cf909ff41a7cdc61772a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0957",
    "kind": "arxiv",
    "version": 1
  }
}