Pith Number

pith:2PUE5GW6

pith:2021:2PUE5GW6FLHKUNU2Q5FBUQBRXU

not attested not anchored not stored refs pending

Spatially indirect excitons in black and blue phosphorene double layers

Giancarlo Cicero, Maurizia Palummo, Michele Re Fiorentin

arxiv:2101.11918 v1 · 2021-01-28 · 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{2PUE5GW6FLHKUNU2Q5FBUQBRXU}

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	2026-07-05T02:10:32.418468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e84e9ade2aceaa369a874a1a4031bd02135e07799704f89533937f364fac5d

Aliases

arxiv: 2101.11918 · arxiv_version: 2101.11918v1 · doi: 10.48550/arxiv.2101.11918 · pith_short_12: 2PUE5GW6FLHK · pith_short_16: 2PUE5GW6FLHKUNU2 · pith_short_8: 2PUE5GW6

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/2PUE5GW6FLHKUNU2Q5FBUQBRXU \
  | 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: d3e84e9ade2aceaa369a874a1a4031bd02135e07799704f89533937f364fac5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c99557e8d1cd5457560c766fed311b4285b2fdf3ba681b88de732d54f7aea87",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-01-28T10:39:26Z",
    "title_canon_sha256": "ceb2c48f7a3b96551fe2d07d8996d57e61c0a8a63c9dacefd9dcbe2ebf395855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11918",
    "kind": "arxiv",
    "version": 1
  }
}