Pith Number

pith:I4IVU35W

pith:2015:I4IVU35WZP62RJQE5GLHRY4FZC

not attested not anchored not stored refs pending

Minimum Number of Probes for Brain Dynamics Observability

George J. Pappas, Paul Bogdan, Sergio Pequito

arxiv:1508.07073 v1 · 2015-08-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4IVU35WZP62RJQE5GLHRY4FZC}

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	2026-05-18T01:34:37.030347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47115a6fb6cbfda8a604e99678e385c8a144f651269dda7eabf545141407d51a

Aliases

arxiv: 1508.07073 · arxiv_version: 1508.07073v1 · doi: 10.48550/arxiv.1508.07073 · pith_short_12: I4IVU35WZP62 · pith_short_16: I4IVU35WZP62RJQE · pith_short_8: I4IVU35W

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/I4IVU35WZP62RJQE5GLHRY4FZC \
  | 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: 47115a6fb6cbfda8a604e99678e385c8a144f651269dda7eabf545141407d51a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cf0d9e14da17740e23fa4fc08af3b4d611e052160102c9c71a85a039ab4750c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-08-28T02:41:34Z",
    "title_canon_sha256": "0d3933407bd38a6bc77e8a8789a550d5cea24324d1538de0e339325fd5214991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07073",
    "kind": "arxiv",
    "version": 1
  }
}