Pith Number

pith:4PNRNTM4

pith:2020:4PNRNTM4K25RWNMKKRBUT7IORX

not attested not anchored not stored refs pending

Quiver Signal Processing (QSP)

Alejandro Parada-Mayorga, Alejandro Ribeiro, Hans Riess, Robert Ghrist

arxiv:2010.11525 v1 · 2020-10-22 · eess.SP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PNRNTM4K25RWNMKKRBUT7IORX}

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	2026-07-05T01:45:22.492956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3db16cd9c56bb1b358a544349fd0e8dc9439f4dd9cd29bbafb6d4037a89295a

Aliases

arxiv: 2010.11525 · arxiv_version: 2010.11525v1 · doi: 10.48550/arxiv.2010.11525 · pith_short_12: 4PNRNTM4K25R · pith_short_16: 4PNRNTM4K25RWNMK · pith_short_8: 4PNRNTM4

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/4PNRNTM4K25RWNMKKRBUT7IORX \
  | 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: e3db16cd9c56bb1b358a544349fd0e8dc9439f4dd9cd29bbafb6d4037a89295a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "324737cfd9ac60217741ece0369f17694f0ffeb29ccbac4121f987ec68776b4f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-10-22T08:40:15Z",
    "title_canon_sha256": "7b78cf113210eee32385753f4c7b86ce35b27f9aeb43c60da6acbfe40d09ec3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.11525",
    "kind": "arxiv",
    "version": 1
  }
}