Pith Number

pith:MQS2QON4

pith:2015:MQS2QON4OMKVW6WIBLZ3J253M7

not attested not anchored not stored refs pending

AMP: a new time-frequency feature extraction method for intermittent time-series data

Duncan Barrack, Gavin Smith, James Goulding, Keith Hopcraft, Simon Preston

arxiv:1507.05455 v2 · 2015-07-20 · 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{MQS2QON4OMKVW6WIBLZ3J253M7}

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	2026-05-18T01:36:17.672497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6425a839bc73155b7ac80af3b4ebbb67ee96711504c768fa54d53dc15761090a

Aliases

arxiv: 1507.05455 · arxiv_version: 1507.05455v2 · doi: 10.48550/arxiv.1507.05455 · pith_short_12: MQS2QON4OMKV · pith_short_16: MQS2QON4OMKVW6WI · pith_short_8: MQS2QON4

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/MQS2QON4OMKVW6WIBLZ3J253M7 \
  | 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: 6425a839bc73155b7ac80af3b4ebbb67ee96711504c768fa54d53dc15761090a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3d9f6738ebeef3083a3413bc58096094e97edd52dba4738536d1d242f879e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-07-20T11:48:01Z",
    "title_canon_sha256": "d7056483aa74ab2b06e968875d43f7bb0d221c2ef3c9fd4b2d928a0f7cfc423f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05455",
    "kind": "arxiv",
    "version": 2
  }
}