Pith Number

pith:VYA5GLZM

pith:2016:VYA5GLZMSXJ2OQOF3EWVUKZSZC

not attested not anchored not stored refs pending

Phototaxis beyond turning: persistent accumulation and response acclimation of the microalga Chlamydomonas reinhardtii

Ana Barreira, Idan Tuval, Jorge Arrieta, Marco Polin, Maurizio Chioccioli

arxiv:1611.08224 v1 · 2016-11-24 · q-bio.CB · cond-mat.soft · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYA5GLZMSXJ2OQOF3EWVUKZSZC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:56:39.854574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae01d32f2c95d3a741c5d92d5a2b32c88ffc27db2fea7e8ab4515716c98c2b28

Aliases

arxiv: 1611.08224 · arxiv_version: 1611.08224v1 · doi: 10.48550/arxiv.1611.08224 · pith_short_12: VYA5GLZMSXJ2 · pith_short_16: VYA5GLZMSXJ2OQOF · pith_short_8: VYA5GLZM

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/VYA5GLZMSXJ2OQOF3EWVUKZSZC \
  | 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: ae01d32f2c95d3a741c5d92d5a2b32c88ffc27db2fea7e8ab4515716c98c2b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309cfa60caaebfa8eea436e2fde14803c7261d3b6aa02b3e1808fd0e2f893616",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.CB",
    "submitted_at": "2016-11-24T15:39:07Z",
    "title_canon_sha256": "a382cdfde2bc76dff18ee961e478281b71d91766dd65f1768510c33b707e4c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08224",
    "kind": "arxiv",
    "version": 1
  }
}