Pith Number

pith:I2EHXQMY

pith:2009:I2EHXQMYQD57CC3PYCPW5PERWW

not attested not anchored not stored refs pending

First principles study of the graphene/Ru(0001) interface

De-en Jiang, Mao-Hua Du, Sheng Dai

arxiv:0901.1101 v1 · 2009-01-08 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2EHXQMYQD57CC3PYCPW5PERWW}

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	2026-05-18T04:09:04.030995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46887bc19880fbf10b6fc09f6ebc91b5a50421557cd1b8dac49b49cbd4247ea7

Aliases

arxiv: 0901.1101 · arxiv_version: 0901.1101v1 · doi: 10.48550/arxiv.0901.1101 · pith_short_12: I2EHXQMYQD57 · pith_short_16: I2EHXQMYQD57CC3P · pith_short_8: I2EHXQMY

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/I2EHXQMYQD57CC3PYCPW5PERWW \
  | 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: 46887bc19880fbf10b6fc09f6ebc91b5a50421557cd1b8dac49b49cbd4247ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb336041f2ef1527ee5720f0ff97b204530eb1fa1a7ff59b481bdf258be76b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-01-08T17:53:07Z",
    "title_canon_sha256": "cc7763a3fd616420fa3d2fb287e35850c1cb067ac35c75209ba0a3780eff0a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1101",
    "kind": "arxiv",
    "version": 1
  }
}