Pith Number

pith:TYRDXHSR

pith:2017:TYRDXHSRWDEMEGPEGYOZ4OARRL

not attested not anchored not stored refs pending

Orthogonal shadows and index of Grassmann manifolds

Aleksandar Vu\v{c}i\'c, Djordje Barali\'c, Pavle V. M. Blagojevi\'c, Roman Karasev

arxiv:1709.10492 v2 · 2017-09-29 · math.AT · 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{TYRDXHSRWDEMEGPEGYOZ4OARRL}

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	2026-05-18T00:00:41.430409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e223b9e51b0c8c219e4361d9e38118ae57b2606e43a8c65cd40a6609418c5d7

Aliases

arxiv: 1709.10492 · arxiv_version: 1709.10492v2 · doi: 10.48550/arxiv.1709.10492 · pith_short_12: TYRDXHSRWDEM · pith_short_16: TYRDXHSRWDEMEGPE · pith_short_8: TYRDXHSR

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/TYRDXHSRWDEMEGPEGYOZ4OARRL \
  | 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: 9e223b9e51b0c8c219e4361d9e38118ae57b2606e43a8c65cd40a6609418c5d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "382f60734607927ed77f00574a0be8df0146a099e2d3e044f9b87adcefe2f65c",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-09-29T16:55:16Z",
    "title_canon_sha256": "476b4553996d57822e1fdc49067e446dea497e51ec81ed14165d3ebc05b1266e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10492",
    "kind": "arxiv",
    "version": 2
  }
}