Pith Number

pith:UN3RAR7C

pith:2024:UN3RAR7CI7CY34X5M23O72Z2L2

not attested not anchored not stored refs pending

Subspace Tracking with Dynamical Models on the Grassmannian

Alex Saad-Falcon, Brighton Ancelin, Justin Romberg

arxiv:2402.10352 v1 · 2024-02-15 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UN3RAR7CI7CY34X5M23O72Z2L2}

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	2026-07-05T09:25:40.410761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3771047e247c58df2fd66b6efeb3a5e8ad2376cc7698a579d46356b8bbbaed5

Aliases

arxiv: 2402.10352 · arxiv_version: 2402.10352v1 · doi: 10.48550/arxiv.2402.10352 · pith_short_12: UN3RAR7CI7CY · pith_short_16: UN3RAR7CI7CY34X5 · pith_short_8: UN3RAR7C

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/UN3RAR7CI7CY34X5M23O72Z2L2 \
  | 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: a3771047e247c58df2fd66b6efeb3a5e8ad2376cc7698a579d46356b8bbbaed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac0657039b86845c5c8dd7844ad526383f86a24193c2fe1f5ccc3589235255f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2024-02-15T22:50:17Z",
    "title_canon_sha256": "1122a65aeaf6606f6312540a7fcd81d462edcf852ef986ff7ec1c0b241a327f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.10352",
    "kind": "arxiv",
    "version": 1
  }
}