Pith Number

pith:CU2BHFV5

pith:2017:CU2BHFV5CMQT2O3ALNGY23XD4Y

not attested not anchored not stored refs pending

Survival time of Princess Kaguya in an air-tight bamboo chamber

Akio Inoue, Hiroyuki Shima

arxiv:1712.05909 v1 · 2017-12-16 · physics.pop-ph · 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{CU2BHFV5CMQT2O3ALNGY23XD4Y}

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	2026-05-18T00:27:51.533844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15341396bd13213d3b605b4d8d6ee3e63574b57a77dfdb51775614eb9f074d99

Aliases

arxiv: 1712.05909 · arxiv_version: 1712.05909v1 · doi: 10.48550/arxiv.1712.05909 · pith_short_12: CU2BHFV5CMQT · pith_short_16: CU2BHFV5CMQT2O3A · pith_short_8: CU2BHFV5

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/CU2BHFV5CMQT2O3ALNGY23XD4Y \
  | 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: 15341396bd13213d3b605b4d8d6ee3e63574b57a77dfdb51775614eb9f074d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1147b27f230e3207abfcab5699430098eb84609b5196f8d0b8dd4fd0c8a70182",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2017-12-16T06:34:05Z",
    "title_canon_sha256": "e1ea7212f145c94fea2c8f0ef656e88ed70cd139cfd69ae93f7dce6ada8020ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05909",
    "kind": "arxiv",
    "version": 1
  }
}