Pith Number

pith:4DA4QL4F

pith:2018:4DA4QL4FGEH3N43Z7EN5L275UI

not attested not anchored not stored refs pending

Compelling experimental evidence of a Dirac cone in the electronic structure of a 2D Silicon layer

A. Bendounan, A. Kara, A. Mayne, F. Sirotti, G. Dujardin, H. Enriquez, H. Oughaddou, I. Vobornik, P. Das, S. Sadeddine

arxiv:1811.01291 v1 · 2018-11-03 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DA4QL4FGEH3N43Z7EN5L275UI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:01:34.738064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0c1c82f85310fb6f379f91bd5ebfda237ff021e8ee7997fa6d06a760f7fcdbd

Aliases

arxiv: 1811.01291 · arxiv_version: 1811.01291v1 · doi: 10.48550/arxiv.1811.01291 · pith_short_12: 4DA4QL4FGEH3 · pith_short_16: 4DA4QL4FGEH3N43Z · pith_short_8: 4DA4QL4F

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/4DA4QL4FGEH3N43Z7EN5L275UI \
  | 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: e0c1c82f85310fb6f379f91bd5ebfda237ff021e8ee7997fa6d06a760f7fcdbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7dd9e4864ed5459fe242dd44d5217a358c0373e60fa1bda361fb79737102864",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-11-03T22:10:06Z",
    "title_canon_sha256": "f7c737dd1d76685e268d40bb47db09455fd88ea9d2092e6e897b56a6c83d3fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01291",
    "kind": "arxiv",
    "version": 1
  }
}