Pith Number

pith:BMU6PPNP

pith:2022:BMU6PPNPU4AJER475NHGUNMWVG

not attested not anchored not stored refs pending

Lab at Home of fluid draining with Tracker

Phongpichit Channuie, Punsiri Dam-O, Thammarong Eadkong

arxiv:2203.07894 v1 · 2022-03-14 · physics.ed-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{BMU6PPNPU4AJER475NHGUNMWVG}

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	2026-07-05T04:05:23.883235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b29e7bdafa70092479feb4e6a3596a9a222be7657b69d89cc0e9ebbc5d83d3c

Aliases

arxiv: 2203.07894 · arxiv_version: 2203.07894v1 · doi: 10.48550/arxiv.2203.07894 · pith_short_12: BMU6PPNPU4AJ · pith_short_16: BMU6PPNPU4AJER47 · pith_short_8: BMU6PPNP

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/BMU6PPNPU4AJER475NHGUNMWVG \
  | 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: 0b29e7bdafa70092479feb4e6a3596a9a222be7657b69d89cc0e9ebbc5d83d3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c35c8fb3ffabc5b29211b2ce8bd21acc3d08a1144649584458e30bff0344d0d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2022-03-14T14:30:08Z",
    "title_canon_sha256": "711fc2f515877543a09628e2b8b7b6ab15ba595fd94a29a93dc64ad91db17445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07894",
    "kind": "arxiv",
    "version": 1
  }
}