Pith Number

pith:PHP2MFGP

pith:2017:PHP2MFGPWBTVL3G67KBW4Z54SK

not attested not anchored not stored refs pending

Angular Accuracy of Steerable Feature Detectors

Arash Amini, John Paul Ward, Julien Fageot, Michael Unser, Zsuzsanna P\"usp\"oki

arxiv:1710.03631 v1 · 2017-10-10 · cs.IT · math.IT

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

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	2026-05-18T00:33:11.158349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79dfa614cfb06755ecdefa836e67bc9286ca47718b3ec92f70d424ed4827f5dc

Aliases

arxiv: 1710.03631 · arxiv_version: 1710.03631v1 · doi: 10.48550/arxiv.1710.03631 · pith_short_12: PHP2MFGPWBTV · pith_short_16: PHP2MFGPWBTVL3G6 · pith_short_8: PHP2MFGP

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/PHP2MFGPWBTVL3G67KBW4Z54SK \
  | 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: 79dfa614cfb06755ecdefa836e67bc9286ca47718b3ec92f70d424ed4827f5dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfaa83d10c2945d2be782c075ca0c91b5bb6cef6c798b7e45e035f5215c334f6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-10T14:46:12Z",
    "title_canon_sha256": "7937fcf01055a9f2d9499e7eefb182f8cc1bcb902b8a5db6542ad4fae46c062a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03631",
    "kind": "arxiv",
    "version": 1
  }
}