Pith Number

pith:SCEDARMD

pith:2009:SCEDARMDMQGQS4N4IPGYMM7GF5

not attested not anchored not stored refs pending

A universal Hamiltonian for the motion and the merging of Dirac cones in a two-dimensional crystal

F. Piechon, G. Montambaux, J.-N. Fuchs, M. O. Goerbig

arxiv:0907.0500 v1 · 2009-07-02 · 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{SCEDARMDMQGQS4N4IPGYMM7GF5}

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	2026-05-18T02:13:05.592362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9088304583640d0971bc43cd8633e62f6a73cb07b4d56da093d5156914622c30

Aliases

arxiv: 0907.0500 · arxiv_version: 0907.0500v1 · doi: 10.48550/arxiv.0907.0500 · pith_short_12: SCEDARMDMQGQ · pith_short_16: SCEDARMDMQGQS4N4 · pith_short_8: SCEDARMD

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/SCEDARMDMQGQS4N4IPGYMM7GF5 \
  | 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: 9088304583640d0971bc43cd8633e62f6a73cb07b4d56da093d5156914622c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e21e0ab5995c25e130625028c93cd6fb6d5ad1799b304581cc52b20c7135e275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-02T23:12:48Z",
    "title_canon_sha256": "15d18dd489308353f80306f9c45fb6c2040246cbcf9866e69ec21c0eae60d6c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0500",
    "kind": "arxiv",
    "version": 1
  }
}