Pith Number

pith:AU2B2BEZ

pith:2019:AU2B2BEZT42ENJYLMNOSNLPBES

not attested not anchored not stored refs pending

Observation of Chiral Surface Excitons in a Topological Insulator Bi$_2$Se$_3$

A.F. Kemper, A. Lee, A.P. Goyal, D.L. Maslov, G. Blumberg, H.-H. Kung, S.-W. Cheong, X. Wang

arxiv:1903.01999 v1 · 2019-03-05 · cond-mat.mes-hall · 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{AU2B2BEZT42ENJYLMNOSNLPBES}

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	2026-05-17T23:51:56.883074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05341d04999f3446a70b635d26ade124ace903a11e2d040d4e4f704fd119aa17

Aliases

arxiv: 1903.01999 · arxiv_version: 1903.01999v1 · doi: 10.48550/arxiv.1903.01999 · pith_short_12: AU2B2BEZT42E · pith_short_16: AU2B2BEZT42ENJYL · pith_short_8: AU2B2BEZ

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/AU2B2BEZT42ENJYLMNOSNLPBES \
  | 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: 05341d04999f3446a70b635d26ade124ace903a11e2d040d4e4f704fd119aa17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1418bba18233d04eab613a8a1c8ca0629d4fbd96de4e6994f897b2ee1f656b51",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-03-05T19:00:02Z",
    "title_canon_sha256": "4672cbe60978c312cea9dc5c33d4036368bad0a6e567b72c45fa968ced756d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01999",
    "kind": "arxiv",
    "version": 1
  }
}