Pith Number

pith:PR3G4QJM

pith:2012:PR3G4QJMRNNCAE6S55TD7S3IDL

not attested not anchored not stored refs pending

High optical absorption in graphene

C. H\"agglund, G. W. Hanson, S. P. Apell

arxiv:1201.3071 v1 · 2012-01-15 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PR3G4QJMRNNCAE6S55TD7S3IDL}

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	2026-05-18T04:04:32.321261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c766e412c8b5a2013d2ef663fcb681ac8b7c4b2673c402fad08d6b2fe63b0b2

Aliases

arxiv: 1201.3071 · arxiv_version: 1201.3071v1 · doi: 10.48550/arxiv.1201.3071 · pith_short_12: PR3G4QJMRNNC · pith_short_16: PR3G4QJMRNNCAE6S · pith_short_8: PR3G4QJM

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/PR3G4QJMRNNCAE6S55TD7S3IDL \
  | 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: 7c766e412c8b5a2013d2ef663fcb681ac8b7c4b2673c402fad08d6b2fe63b0b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551b3f653828ba794bbabe477cd9cd2f7663900b28dc394c84ffa984f703dc81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-15T09:10:43Z",
    "title_canon_sha256": "caf896b9dd053d8395d1fccd6059d029d168f738e63a3406fdcd499dc89c9951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3071",
    "kind": "arxiv",
    "version": 1
  }
}