Pith Number

pith:SZILQ7WW

pith:2018:SZILQ7WWWETEGHKSWK5YT35LEZ

not attested not anchored not stored refs pending

Unraveling the vertical motion of Dipterocarpus alatus seed using Tracker

Phongpichit Channuie (Walailak U.), Pimchanok Pimton, Punsiri Dam-O, Thammarong Eadkong

arxiv:1808.02009 v3 · 2018-07-25 · physics.ed-ph · physics.pop-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{SZILQ7WWWETEGHKSWK5YT35LEZ}

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	2026-07-05T00:42:58.606048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9650b87ed6b126431d52b2bb89efab266fa61c6c2cedab29bec02d7b567d21b5

Aliases

arxiv: 1808.02009 · arxiv_version: 1808.02009v3 · doi: 10.48550/arxiv.1808.02009 · pith_short_12: SZILQ7WWWETE · pith_short_16: SZILQ7WWWETEGHKS · pith_short_8: SZILQ7WW

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/SZILQ7WWWETEGHKSWK5YT35LEZ \
  | 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: 9650b87ed6b126431d52b2bb89efab266fa61c6c2cedab29bec02d7b567d21b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d99c178e9ed74208a121c2eb232b1deb39e47724cd8f15b101d09bead6cce4",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-07-25T15:44:23Z",
    "title_canon_sha256": "f07e399ef98573319df0011b66281d73ee974cedf349f479ee0f2af36a7f9e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02009",
    "kind": "arxiv",
    "version": 3
  }
}