Pith Number

pith:NHSGV2JH

pith:2018:NHSGV2JHV3N72K35OZVD63PCQ5

not attested not anchored not stored refs pending

Universal Spike Classifier

Brian Lee, Charles Liu, Christian Klaes, Ioannis Iossifidis, J\"org Wellmer, Muhammad Saif-Ur-Rehman, Richard Andersen, Robin Lienk\"amper, Spencer Kellis, Tobias Glasmachers, Yaroslav Parpaley

arxiv:1811.02923 v1 · 2018-11-07 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHSGV2JHV3N72K35OZVD63PCQ5}

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	2026-05-18T00:01:20.400333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e46ae927aedbfd2b7d766a3f6de287644617e35406be375ce4c7344d8099bd

Aliases

arxiv: 1811.02923 · arxiv_version: 1811.02923v1 · doi: 10.48550/arxiv.1811.02923 · pith_short_12: NHSGV2JHV3N7 · pith_short_16: NHSGV2JHV3N72K35 · pith_short_8: NHSGV2JH

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/NHSGV2JHV3N72K35OZVD63PCQ5 \
  | 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: 69e46ae927aedbfd2b7d766a3f6de287644617e35406be375ce4c7344d8099bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e971059e017e67af20a1e7358ff447ced86fb571eae5c3938ceee631d44ba25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-11-07T15:09:01Z",
    "title_canon_sha256": "5d865cbebae47dfdf5b24ad8af09c635478fc9f73f3060a62920e0d2ee4cf030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02923",
    "kind": "arxiv",
    "version": 1
  }
}