Pith Number

pith:J4QOFX7J

pith:2019:J4QOFX7JDWEITNLTO2EN2JFOIC

not attested not anchored not stored refs pending

Microalgal swimming signatures as indicators of neutral lipids production across growth phases

Douglas Mashek, Jiaqi You, Jiarong Hong, Kevin Mallery, Mark Sanders, Miki Hondzo

arxiv:1911.01853 v1 · 2019-11-05 · 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{J4QOFX7JDWEITNLTO2EN2JFOIC}

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	2026-07-05T00:17:22.364955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f20e2dfe91d8889b5737688dd24ae408e316ac8326458947137b5ab82044eb9

Aliases

arxiv: 1911.01853 · arxiv_version: 1911.01853v1 · doi: 10.48550/arxiv.1911.01853 · pith_short_12: J4QOFX7JDWEI · pith_short_16: J4QOFX7JDWEITNLT · pith_short_8: J4QOFX7J

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/J4QOFX7JDWEITNLTO2EN2JFOIC \
  | 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: 4f20e2dfe91d8889b5737688dd24ae408e316ac8326458947137b5ab82044eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc24e5537493c6e53dfc76fa7c5a8da6b68a1e6ac2bb7349eef3d1e12b6e5b13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2019-11-05T15:05:58Z",
    "title_canon_sha256": "e5e6ce17bc70b6d960d43b4f1306bbe3d1787159367e1950efe6a760ea7e0e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01853",
    "kind": "arxiv",
    "version": 1
  }
}