Pith Number

pith:FRJ4NKMT

pith:2015:FRJ4NKMTE5KKDLQSJUXEEK7UEO

not attested not anchored not stored refs pending

Whole-brain calcium imaging with cellular resolution in freely behaving C. elegans

Andrew M. Leifer, Ashley N. Linder, Frederick B. Shipley, George S. Plummer, Jeffrey P. Nguyen, Joshua W. Shaevitz

arxiv:1501.03463 v1 · 2015-01-14 · q-bio.NC · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRJ4NKMTE5KKDLQSJUXEEK7UEO}

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	2026-05-18T01:23:38.568574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c53c6a9932754a1ae124d2e422bf423ba011227a2de5cbea74771b600227e26

Aliases

arxiv: 1501.03463 · arxiv_version: 1501.03463v1 · doi: 10.48550/arxiv.1501.03463 · pith_short_12: FRJ4NKMTE5KK · pith_short_16: FRJ4NKMTE5KKDLQS · pith_short_8: FRJ4NKMT

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/FRJ4NKMTE5KKDLQSJUXEEK7UEO \
  | 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: 2c53c6a9932754a1ae124d2e422bf423ba011227a2de5cbea74771b600227e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c0701977b2e1f24b6596546d000023ff6527977f455fcad489dfd5d9a49434",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2015-01-14T20:07:59Z",
    "title_canon_sha256": "f4c5b31aa173ffd9f5a2a6c2a48af76638fc267dbf98b821025096116f614ad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03463",
    "kind": "arxiv",
    "version": 1
  }
}