pith. sign in
Pith Number

pith:TVZTJ32I

pith:2008:TVZTJ32IHR5YAHQSC5XJ5K2IV4
not attested not anchored not stored refs pending

Are Copying and Innovation Enough?

A.D.K.Plato, T.S.Evans, T.You

arxiv:0809.2568 v1 · 2008-09-15 · physics.soc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TVZTJ32IHR5YAHQSC5XJ5K2IV4}

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 2026-05-18T04:40:08.454544Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9d7334ef483c7b801e12176e9eab48af1b0b17e73abec1c5b67b2c9e6bf7bb24

Aliases

arxiv: 0809.2568 · arxiv_version: 0809.2568v1 · doi: 10.48550/arxiv.0809.2568 · pith_short_12: TVZTJ32IHR5Y · pith_short_16: TVZTJ32IHR5YAHQS · pith_short_8: TVZTJ32I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TVZTJ32IHR5YAHQSC5XJ5K2IV4 \
  | 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: 9d7334ef483c7b801e12176e9eab48af1b0b17e73abec1c5b67b2c9e6bf7bb24
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "39c84c186dc7ab63dc5a7def241991cb2127c1105cfbad6ba4f2f7d89b60ed80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2008-09-15T17:32:26Z",
    "title_canon_sha256": "348c067c9d2b2368891f282b704a3957d012b46e60ba08d60a319cbf94491bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2568",
    "kind": "arxiv",
    "version": 1
  }
}