Pith Number

pith:VTTU3CHY

pith:2009:VTTU3CHYJIZXCDU6YLBQJUFZU3

not attested not anchored not stored refs pending

Ultrafast imaging of photoelectron packets generated from graphite surface

Chong-Yu Ruan, Ramani K. Raman, Tzong-Ru Han, Zhensheng Tao

arxiv:0910.4422 v1 · 2009-10-23 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTTU3CHYJIZXCDU6YLBQJUFZU3}

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	2026-05-18T02:11:12.363958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ace74d88f84a33710e9ec2c304d0b9a6c7312f91a6843c1c9755238032d36171

Aliases

arxiv: 0910.4422 · arxiv_version: 0910.4422v1 · doi: 10.48550/arxiv.0910.4422 · pith_short_12: VTTU3CHYJIZX · pith_short_16: VTTU3CHYJIZXCDU6 · pith_short_8: VTTU3CHY

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/VTTU3CHYJIZXCDU6YLBQJUFZU3 \
  | 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: ace74d88f84a33710e9ec2c304d0b9a6c7312f91a6843c1c9755238032d36171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c484f414e2a17331eaa5afe88432f2ed0235d75f487d3b4cbeb131f6cf622eb8",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-10-23T02:12:55Z",
    "title_canon_sha256": "fb58be01ed479c6b3447506f1c909d247cc9d41dd5ba3f1f6cc46bb68ba07126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4422",
    "kind": "arxiv",
    "version": 1
  }
}