Pith Number

pith:AY3H6MEU

pith:2012:AY3H6MEUT2FTKOM4VSYT54Z65O

not attested not anchored not stored refs pending

Decoding of Subspace Codes, a Problem of Schubert Calculus over Finite Fields

Anna-Lena Trautmann, Joachim Rosenthal

arxiv:1209.2887 v1 · 2012-09-13 · 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{AY3H6MEUT2FTKOM4VSYT54Z65O}

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	2026-05-18T03:45:40.678441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06367f30949e8b35399cacb13ef33eeb81a18c7db35c5e12b335e227916ff2a5

Aliases

arxiv: 1209.2887 · arxiv_version: 1209.2887v1 · doi: 10.48550/arxiv.1209.2887 · pith_short_12: AY3H6MEUT2FT · pith_short_16: AY3H6MEUT2FTKOM4 · pith_short_8: AY3H6MEU

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/AY3H6MEUT2FTKOM4VSYT54Z65O \
  | 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: 06367f30949e8b35399cacb13ef33eeb81a18c7db35c5e12b335e227916ff2a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eec225e3431bd90b0a207a50166a4bc72c7f0b7c0e39e006131a9c28f335ff9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-09-13T13:39:32Z",
    "title_canon_sha256": "c631c4b470a2d74d3bdce4776eeb1e94ea89b48f3e18ade513f79e6e338895d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2887",
    "kind": "arxiv",
    "version": 1
  }
}