Pith Number

pith:YFGEFSPO

pith:2001:YFGEFSPO5QTFVVIGKVFPOKZ55K

not attested not anchored not stored refs pending

Binding energy of negatively charged exciton in a semiconductor quantum well: the role of interface defects

G. Bastard, Jose A. Brum, Luis C. O. Dacal, R. Ferreira

arxiv:cond-mat/0109502 v1 · 2001-09-26 · 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{YFGEFSPO5QTFVVIGKVFPOKZ55K}

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	2026-05-18T01:40:06.602254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c14c42c9eeec265ad506554af72b3dea9a0070abdda2a188750f452717acc2b2

Aliases

arxiv: cond-mat/0109502 · arxiv_version: cond-mat/0109502v1 · doi: 10.48550/arxiv.cond-mat/0109502 · pith_short_12: YFGEFSPO5QTF · pith_short_16: YFGEFSPO5QTFVVIG · pith_short_8: YFGEFSPO

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/YFGEFSPO5QTFVVIGKVFPOKZ55K \
  | 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: c14c42c9eeec265ad506554af72b3dea9a0070abdda2a188750f452717acc2b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "538fb905438b9c9524fb6d334326bc82cec5f178bf8b5dfa987743cfe6ff02d7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2001-09-26T20:56:03Z",
    "title_canon_sha256": "00a6599a5d491d689495488764621ee0d071ad9c851df0a44f416e11aee01621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0109502",
    "kind": "arxiv",
    "version": 1
  }
}