Pith Number

pith:P6MPU2T6

pith:2016:P6MPU2T6KGGAOINIMOIPYE7ZIY

not attested not anchored not stored refs pending

Persistent Homology on Grassmann Manifolds for Analysis of Hyperspectral Movies

Chris Peterson, Lori Ziegelmeier, Michael Kirby, Sofya Chepushtanova

arxiv:1607.02196 v2 · 2016-07-07 · cs.CV · cs.CG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6MPU2T6KGGAOINIMOIPYE7ZIY}

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	2026-05-18T01:11:16.939780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f98fa6a7e518c0721a86390fc13f94618bb42a64569f518358eb9cffe571ffa

Aliases

arxiv: 1607.02196 · arxiv_version: 1607.02196v2 · doi: 10.48550/arxiv.1607.02196 · pith_short_12: P6MPU2T6KGGA · pith_short_16: P6MPU2T6KGGAOINI · pith_short_8: P6MPU2T6

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/P6MPU2T6KGGAOINIMOIPYE7ZIY \
  | 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: 7f98fa6a7e518c0721a86390fc13f94618bb42a64569f518358eb9cffe571ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e50fcb6321bf9d095371e72cfe197a6bfbbeb432e3364843153e677795cb913f",
    "cross_cats_sorted": [
      "cs.CG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-07-07T23:39:29Z",
    "title_canon_sha256": "2e4fabe61417a2e8a50b940160961061357e8db9038041389c50a7b3e12c5997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02196",
    "kind": "arxiv",
    "version": 2
  }
}