Pith Number

pith:UDW5PBSY

pith:2009:UDW5PBSYB43J5RIPKZEFFPN6GR

not attested not anchored not stored refs pending

The missing link in nanomaterials governance: industrial dynamics and downstream policies

Adrian Smith, Ismael Rafols, Molly Morgan, Patrick van Zwanenberg, Paul Nightingale

arxiv:0908.1234 v1 · 2009-08-09 · physics.soc-ph · cond-mat.mtrl-sci · cond-mat.other

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDW5PBSYB43J5RIPKZEFFPN6GR}

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	2026-05-18T02:30:48.154253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0edd786580f369ec50f564852bdbe345c28ed810c67afaf931055fa7d720213

Aliases

arxiv: 0908.1234 · arxiv_version: 0908.1234v1 · doi: 10.48550/arxiv.0908.1234 · pith_short_12: UDW5PBSYB43J · pith_short_16: UDW5PBSYB43J5RIP · pith_short_8: UDW5PBSY

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/UDW5PBSYB43J5RIPKZEFFPN6GR \
  | 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: a0edd786580f369ec50f564852bdbe345c28ed810c67afaf931055fa7d720213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df1b1a9bdab5d6269bd64f3629eb19e9bc87d24faef4348c9c67403a96febb62",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-08-09T13:49:02Z",
    "title_canon_sha256": "8f1f2f38b2bf1ad6ff3908115da11ea40fb015627995055bf59e164b71d6db95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1234",
    "kind": "arxiv",
    "version": 1
  }
}