Pith Number

pith:M7PFG6AE

pith:2004:M7PFG6AEAW6JWFR7PESZTGLXKQ

not attested not anchored not stored refs pending

From p-adic to real Grassmannians via the quantum

Uri Onn

arxiv:math/0405138 v4 · 2004-05-07 · math.RT · 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{M7PFG6AEAW6JWFR7PESZTGLXKQ}

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	2026-05-18T01:05:26.383791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67de53780405bc9b163f7925999977541471349cc7903e10cffadfa51df4f86e

Aliases

arxiv: math/0405138 · arxiv_version: math/0405138v4 · doi: 10.48550/arxiv.math/0405138 · pith_short_12: M7PFG6AEAW6J · pith_short_16: M7PFG6AEAW6JWFR7 · pith_short_8: M7PFG6AE

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/M7PFG6AEAW6JWFR7PESZTGLXKQ \
  | 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: 67de53780405bc9b163f7925999977541471349cc7903e10cffadfa51df4f86e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42a85c62719db0b184867f79e48ee7e54155af9d2449270b92527622af3af860",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.RT",
    "submitted_at": "2004-05-07T20:05:24Z",
    "title_canon_sha256": "f4f62953884a928bd7e7560db67d24f3af1f0badedcea449d4f05e67138b86e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0405138",
    "kind": "arxiv",
    "version": 4
  }
}