Pith Number

pith:DJVX5OLN

pith:2009:DJVX5OLNASTNGLLAS6RX6T2RQI

not attested not anchored not stored refs pending

Enumerative Coding for Grassmannian Space

Natalia Silberstein, Tuvi Etzion

arxiv:0911.3256 v2 · 2009-11-17 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJVX5OLNASTNGLLAS6RX6T2RQI}

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	2026-05-18T04:41:44.035058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a6b7eb96d04a6d32d6097a37f4f518204ef224052c969e613389f06738ce99e

Aliases

arxiv: 0911.3256 · arxiv_version: 0911.3256v2 · doi: 10.48550/arxiv.0911.3256 · pith_short_12: DJVX5OLNASTN · pith_short_16: DJVX5OLNASTNGLLA · pith_short_8: DJVX5OLN

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/DJVX5OLNASTNGLLAS6RX6T2RQI \
  | 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: 1a6b7eb96d04a6d32d6097a37f4f518204ef224052c969e613389f06738ce99e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba8f4a254997fe8bed5ad5273a5d9f238bd2996c1ac76e3fe8ac0e4e3574198",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-11-17T10:28:21Z",
    "title_canon_sha256": "abcf163b69ca1991fbc30de9476dd70233016a67b785ceb5ff698b2acf642758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3256",
    "kind": "arxiv",
    "version": 2
  }
}