Pith Number

pith:FUTZPFAF

pith:2014:FUTZPFAFAUU2U7EARB4ZGAD5OB

not attested not anchored not stored refs pending

Measurement of high exciton binding energy in the monolayer transition-metal dichalcogenides WS2 and WSe2

A. L. Friedman, A. T. Hanbicki, B. T. Jonker, G. Kioseoglou, M. Currie

arxiv:1412.2156 v1 · 2014-12-05 · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUTZPFAFAUU2U7EARB4ZGAD5OB}

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	2026-05-18T01:41:21.252903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d279794050529aa7c80887993007d705c1bc85557f8872fe77932b12343f69b

Aliases

arxiv: 1412.2156 · arxiv_version: 1412.2156v1 · doi: 10.48550/arxiv.1412.2156 · pith_short_12: FUTZPFAFAUU2 · pith_short_16: FUTZPFAFAUU2U7EA · pith_short_8: FUTZPFAF

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/FUTZPFAFAUU2U7EARB4ZGAD5OB \
  | 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: 2d279794050529aa7c80887993007d705c1bc85557f8872fe77932b12343f69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cbc9f61193461a2ef6afa8ef9ee6a39f82fc587341809f0d176465caf6afc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-12-05T21:47:30Z",
    "title_canon_sha256": "805d19b7cfbbe49d8a623dd44fee71c74e14059986eb151d5bd82e367b98989c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2156",
    "kind": "arxiv",
    "version": 1
  }
}