Pith Number

pith:SKMFKQCQ

pith:2011:SKMFKQCQIMPN52GF7LSYXMJQOW

not attested not anchored not stored refs pending

Sampling High-Dimensional Bandlimited Fields on Low-Dimensional Manifolds

Jayakrishnan Unnikrishnan, Martin Vetterli

arxiv:1112.0136 v3 · 2011-12-01 · 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	2026-05-18T03:41:44.199458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9298554050431edee8c5fae58bb13075a228de6de461f96f39954947da174401

Aliases

arxiv: 1112.0136 · arxiv_version: 1112.0136v3 · doi: 10.48550/arxiv.1112.0136 · pith_short_12: SKMFKQCQIMPN · pith_short_16: SKMFKQCQIMPN52GF · pith_short_8: SKMFKQCQ

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/SKMFKQCQIMPN52GF7LSYXMJQOW \
  | 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: 9298554050431edee8c5fae58bb13075a228de6de461f96f39954947da174401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f70b6418b3d078d87bdf9bab4621499c66ffd42a359f9d1053c87481638607",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-01T10:59:06Z",
    "title_canon_sha256": "d80591257f511c310e5f2f52fcc040fa47a4e0de61b1a292d2a0cfb1cd63a44c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0136",
    "kind": "arxiv",
    "version": 3
  }
}