Pith Number

pith:VDJSOH2X

pith:2009:VDJSOH2X7X7V5AIC5TTLJHQD77

not attested not anchored not stored refs pending

Observation of chiral quantum-Hall edge states in graphene

Dong-Keun Ki, Hu-Jong Lee, Sanghyun Jo

arxiv:0905.0746 v1 · 2009-05-06 · 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{VDJSOH2X7X7V5AIC5TTLJHQD77}

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	2026-05-18T04:01:02.351936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d3271f57fdff5e8102ece6b49e03ffc94c4a6bfe4ad988ca2d9b507aa06d5e

Aliases

arxiv: 0905.0746 · arxiv_version: 0905.0746v1 · doi: 10.48550/arxiv.0905.0746 · pith_short_12: VDJSOH2X7X7V · pith_short_16: VDJSOH2X7X7V5AIC · pith_short_8: VDJSOH2X

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/VDJSOH2X7X7V5AIC5TTLJHQD77 \
  | 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: a8d3271f57fdff5e8102ece6b49e03ffc94c4a6bfe4ad988ca2d9b507aa06d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c235de0833169c470ebba426d9e75ae26f828971a9fad2312b234b825e574335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-05-06T06:04:22Z",
    "title_canon_sha256": "432c4de53ab98d46085c33e2d37fa1552c8a855bff262aa1abd44da165e43cc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0746",
    "kind": "arxiv",
    "version": 1
  }
}