Pith Number

pith:JDTBAVQB

pith:2017:JDTBAVQBGNX45BEHMQK6RZEASN

not attested not anchored not stored refs pending

Underdetermined source separation using a sparse STFT framework and weighted laplacian directional modelling

Nikolaos Mitianoudis, Thomas Sgouros

arxiv:1708.04821 v1 · 2017-08-16 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDTBAVQBGNX45BEHMQK6RZEASN}

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	2026-05-18T00:37:57.808927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48e6105601336fce84876415e8e4809376dfbc802e29f7314300bcfebbe0652b

Aliases

arxiv: 1708.04821 · arxiv_version: 1708.04821v1 · doi: 10.48550/arxiv.1708.04821 · pith_short_12: JDTBAVQBGNX4 · pith_short_16: JDTBAVQBGNX45BEH · pith_short_8: JDTBAVQB

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/JDTBAVQBGNX45BEHMQK6RZEASN \
  | 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: 48e6105601336fce84876415e8e4809376dfbc802e29f7314300bcfebbe0652b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c480e10328c874b3d6578a42517972c17826fda98ba6884a1adc73a3bb9fe14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2017-08-16T09:23:28Z",
    "title_canon_sha256": "1aed4dfc4ee4eae6bd103fc4552d6739c447333783c327c574c4409a416bc353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04821",
    "kind": "arxiv",
    "version": 1
  }
}