Pith Number

pith:3PFRJ44F

pith:2018:3PFRJ44FN3E33B26XYFRSGA5RW

not attested not anchored not stored refs pending

Multiple Measurement Vectors Problem: A Decoupling Property and its Applications

Giuseppe Caire, Saeid Haghighatshoar

arxiv:1810.13421 v2 · 2018-10-31 · cs.IT · math.IT · stat.ML

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	2026-05-17T23:56:45.164292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbcb14f3856ec9bd875ebe0b19181d8dba2428968b63b330378118e3b26fb16d

Aliases

arxiv: 1810.13421 · arxiv_version: 1810.13421v2 · doi: 10.48550/arxiv.1810.13421 · pith_short_12: 3PFRJ44FN3E3 · pith_short_16: 3PFRJ44FN3E33B26 · pith_short_8: 3PFRJ44F

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/3PFRJ44FN3E33B26XYFRSGA5RW \
  | 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: dbcb14f3856ec9bd875ebe0b19181d8dba2428968b63b330378118e3b26fb16d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd881f6ba1ac8f2a6c23d3764a303c135b07899425d62022530bb214575427f",
    "cross_cats_sorted": [
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-10-31T17:33:06Z",
    "title_canon_sha256": "84ef012238427a979c077c0cb72a48db4118b80aa5d55143ef504a763b8dacb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13421",
    "kind": "arxiv",
    "version": 2
  }
}