Pith Number

pith:7BLNH4EY

pith:2015:7BLNH4EYQRYE75EISCCGUBQR2U

not attested not anchored not stored refs pending

Fast nastic motion of plants and bio-inspired structures

Eric Chao, Eric Dai, Qiaohang Guo, Stephen Xie, Xiaomin Han, Zi Chen

arxiv:1508.05435 v1 · 2015-08-21 · physics.bio-ph · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BLNH4EYQRYE75EISCCGUBQR2U}

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	2026-05-18T01:34:53.971438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f856d3f09884704ff48890846a0611d50d23ea6a30af82f98d5ebf17c51f6f1b

Aliases

arxiv: 1508.05435 · arxiv_version: 1508.05435v1 · doi: 10.48550/arxiv.1508.05435 · pith_short_12: 7BLNH4EYQRYE · pith_short_16: 7BLNH4EYQRYE75EI · pith_short_8: 7BLNH4EY

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/7BLNH4EYQRYE75EISCCGUBQR2U \
  | 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: f856d3f09884704ff48890846a0611d50d23ea6a30af82f98d5ebf17c51f6f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "786e889e1bf1752c37ffe28e3fc40fddcb13bd99e836b5f9b342494d7b3d9f5f",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-08-21T23:15:00Z",
    "title_canon_sha256": "bea21a789b6dd4c8b63d30118f1317a81373ad11333a45d671c0e27fe74fae71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05435",
    "kind": "arxiv",
    "version": 1
  }
}