Pith Number

pith:UWHGNLDA

pith:2015:UWHGNLDAKVJKMSFQYUKSVQY4YM

not attested not anchored not stored refs pending

Discrete Signal Processing on Graphs: Sampling Theory

Aliaksei Sandryhaila, Jelena Kova\v{c}evi\'c, Rohan Varma, Siheng Chen

arxiv:1503.05432 v2 · 2015-03-03 · cs.IT · cs.SI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWHGNLDAKVJKMSFQYUKSVQY4YM}

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	2026-05-18T00:59:01.997752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58e66ac605552a648b0c5152ac31cc31006f5247fca542484e3d47204b1ccde

Aliases

arxiv: 1503.05432 · arxiv_version: 1503.05432v2 · doi: 10.48550/arxiv.1503.05432 · pith_short_12: UWHGNLDAKVJK · pith_short_16: UWHGNLDAKVJKMSFQ · pith_short_8: UWHGNLDA

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/UWHGNLDAKVJKMSFQYUKSVQY4YM \
  | 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: a58e66ac605552a648b0c5152ac31cc31006f5247fca542484e3d47204b1ccde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db0411306cfab1e6218353973a5530253def5141591fa43ea0ce09de8962caf",
    "cross_cats_sorted": [
      "cs.SI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-03T23:00:11Z",
    "title_canon_sha256": "dd83b4dda4d907881f1e7df8e8a560d5ede4e15eb1d1fbf5f7eaf6e83e638e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05432",
    "kind": "arxiv",
    "version": 2
  }
}