Pith Number

pith:4E2M5N4M

pith:2018:4E2M5N4MYSA4JKPGN5ZXXK44CY

not attested not anchored not stored refs pending

Feature Extraction for Temporal Signal Recognition: An Overview

Imad Rida

arxiv:1812.01780 v1 · 2018-12-03 · eess.AS · cs.SD · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4E2M5N4MYSA4JKPGN5ZXXK44CY}

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	2026-05-17T23:59:00.668478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e134ceb78cc481c4a9e66f737bab9c16219f39e665b9d9da2e452125013ef49d

Aliases

arxiv: 1812.01780 · arxiv_version: 1812.01780v1 · doi: 10.48550/arxiv.1812.01780 · pith_short_12: 4E2M5N4MYSA4 · pith_short_16: 4E2M5N4MYSA4JKPG · pith_short_8: 4E2M5N4M

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/4E2M5N4MYSA4JKPGN5ZXXK44CY \
  | 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: e134ceb78cc481c4a9e66f737bab9c16219f39e665b9d9da2e452125013ef49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffbd1d9afe71fbb0156b3910d4aa69bba86825dabc58883bada20860b4492f98",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-12-03T21:26:57Z",
    "title_canon_sha256": "5b5d8469d8d024d5130774635b1bacda964fdc5bf33d049aaef2d0f654b8cff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01780",
    "kind": "arxiv",
    "version": 1
  }
}