Pith Number

pith:ZM4W2OJW

pith:2024:ZM4W2OJWKJOP34HKYTAM25KNLP

not attested not anchored not stored refs pending

100 years of plastic -- using the past to guide the future

Chao Liu, Roland Geyer, Shanying Hu

arxiv:2411.13618 v1 · 2024-11-20 · physics.soc-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{ZM4W2OJWKJOP34HKYTAM25KNLP}

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	2026-07-05T09:38:34.570427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb396d3936525cfdf0eac4c0cd754d5bd341bc8b8308bd00a8e5d8281caf2bbd

Aliases

arxiv: 2411.13618 · arxiv_version: 2411.13618v1 · doi: 10.48550/arxiv.2411.13618 · pith_short_12: ZM4W2OJWKJOP · pith_short_16: ZM4W2OJWKJOP34HK · pith_short_8: ZM4W2OJW

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/ZM4W2OJWKJOP34HKYTAM25KNLP \
  | 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: cb396d3936525cfdf0eac4c0cd754d5bd341bc8b8308bd00a8e5d8281caf2bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b991ab989c2a70906d26e712139eacffb415ec7f41e38245576e00f6bd86720d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2024-11-20T09:20:59Z",
    "title_canon_sha256": "7f61ceedb3912df633349467970d0e7f0e65a56cf7d90f8d4c4a8880b1a8a945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13618",
    "kind": "arxiv",
    "version": 1
  }
}