Pith Number

pith:MMHRTUIA

pith:2018:MMHRTUIAOFGZAY5VLXXR2U7ABR

not attested not anchored not stored refs pending

Excitons without effective mass: biased bilayer graphene

Ian Appelbaum, Pengke Li

arxiv:1808.09893 v1 · 2018-08-29 · 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{MMHRTUIAOFGZAY5VLXXR2U7ABR}

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	2026-05-17T23:55:11.921309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630f19d100714d9063b55def1d53e00c5252f706c4781a8614e1389c464e338d

Aliases

arxiv: 1808.09893 · arxiv_version: 1808.09893v1 · doi: 10.48550/arxiv.1808.09893 · pith_short_12: MMHRTUIAOFGZ · pith_short_16: MMHRTUIAOFGZAY5V · pith_short_8: MMHRTUIA

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/MMHRTUIAOFGZAY5VLXXR2U7ABR \
  | 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: 630f19d100714d9063b55def1d53e00c5252f706c4781a8614e1389c464e338d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be50d8fbba637ae8a7b9b41fd31df5f9546460caf7ed4b6ab7f7670394b2acd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-08-29T15:41:41Z",
    "title_canon_sha256": "af948376924eb181870fbc7414b301b09295e3827ecfcfdb4d3dc1a8ef48c143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09893",
    "kind": "arxiv",
    "version": 1
  }
}