Pith Number

pith:7MEO3L6R

pith:2011:7MEO3L6R74NKNNHHWPN4E6FQMX

not attested not anchored not stored refs pending

The Synchrosqueezing algorithm for time-varying spectral analysis: robustness properties and new paleoclimate applications

Eugene Brevdo, Gaurav Thakur, Hau-Tieng Wu, Neven S. Fu\v{c}kar

arxiv:1105.0010 v3 · 2011-04-29 · math.CA · cs.CE · cs.NA · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MEO3L6R74NKNNHHWPN4E6FQMX}

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	2026-05-18T03:37:05.839178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb08edafd1ff1aa6b4e7b3dbc278b065c7dbd0deeede2fa846b9520ebbdabd71

Aliases

arxiv: 1105.0010 · arxiv_version: 1105.0010v3 · doi: 10.48550/arxiv.1105.0010 · pith_short_12: 7MEO3L6R74NK · pith_short_16: 7MEO3L6R74NKNNHH · pith_short_8: 7MEO3L6R

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/7MEO3L6R74NKNNHHWPN4E6FQMX \
  | 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: fb08edafd1ff1aa6b4e7b3dbc278b065c7dbd0deeede2fa846b9520ebbdabd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce08f3e83652e6f05b7616292152353d3735391a0abaa2cc7955d16e006a7f8",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-04-29T20:04:48Z",
    "title_canon_sha256": "5b08867c1360d7effada8d0b98a33afabfe4db257179346b6078df074570ca68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0010",
    "kind": "arxiv",
    "version": 3
  }
}