Pith Number

pith:HAVV6OU6

pith:2009:HAVV6OU66RPQCMXSTZCA7GTO4P

not attested not anchored not stored refs pending

Excitonic condensation in a double-layer graphene system

Konstantin B. Efetov, Maxim Yu. Kharitonov

arxiv:0903.4445 v1 · 2009-03-25 · cond-mat.str-el · 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{HAVV6OU66RPQCMXSTZCA7GTO4P}

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	2026-05-18T03:46:59.218599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

382b5f3a9ef45f0132f29e440f9a6ee3d49000b7243cacb571b13bea87bec8c1

Aliases

arxiv: 0903.4445 · arxiv_version: 0903.4445v1 · doi: 10.48550/arxiv.0903.4445 · pith_short_12: HAVV6OU66RPQ · pith_short_16: HAVV6OU66RPQCMXS · pith_short_8: HAVV6OU6

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/HAVV6OU66RPQCMXSTZCA7GTO4P \
  | 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: 382b5f3a9ef45f0132f29e440f9a6ee3d49000b7243cacb571b13bea87bec8c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ca9619c82887e4a4bb09cc923965be874e7f17f768c099105f24cc85c41aaa3",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-03-25T21:18:44Z",
    "title_canon_sha256": "b1f7dde3f7be37a37b466badfe996722fcb3d0cc87f7558a9c14b70be6bc7984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4445",
    "kind": "arxiv",
    "version": 1
  }
}