Pith Number

pith:A3E3IPBE

pith:2023:A3E3IPBEG2WEEQIL6GC7NQXVDO

not attested not anchored not stored refs pending

GSP = DSP + Boundary Conditions -- The Graph Signal Processing Companion Model

John Shi, Jose M. F. Moura

arxiv:2303.02480 v2 · 2023-03-04 · 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{A3E3IPBEG2WEEQIL6GC7NQXVDO}

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	2026-07-05T07:41:38.730749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06c9b43c2436ac42410bf185f6c2f51bab6806073b264ad07b15dcc49d5aab44

Aliases

arxiv: 2303.02480 · arxiv_version: 2303.02480v2 · doi: 10.48550/arxiv.2303.02480 · pith_short_12: A3E3IPBEG2WE · pith_short_16: A3E3IPBEG2WEEQIL · pith_short_8: A3E3IPBE

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/A3E3IPBEG2WEEQIL6GC7NQXVDO \
  | 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: 06c9b43c2436ac42410bf185f6c2f51bab6806073b264ad07b15dcc49d5aab44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3080ed621ec08d1edfd467d0187648c5fec10b5a2b548fefdb4570be84fc3e56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-03-04T19:02:19Z",
    "title_canon_sha256": "c74e863d0204b0af7a8531661d588f6b4008d74519772f09aa3eda9b7a4bba6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02480",
    "kind": "arxiv",
    "version": 2
  }
}