Pith Number

pith:SBUDD5RM

pith:2019:SBUDD5RML3R3EO2RM3IFBMNCHP

not attested not anchored not stored refs pending

Ultrafast Spectroscopy of Bi2Se3 Topological Insulator

D. Sharma, M. Kumar (CSIR-NPL), N. Vashistha, P. Rani, P. Sharma, S. S. Islam (JMI), V.P.S. Awana (CSIR-NPL)

arxiv:1910.12439 v1 · 2019-10-28 · 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{SBUDD5RML3R3EO2RM3IFBMNCHP}

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	2026-07-05T01:04:05.186344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

906831f62c5ee3b23b5166d050b1a23bfb45d85681604b0533e1e2cec66f2bd7

Aliases

arxiv: 1910.12439 · arxiv_version: 1910.12439v1 · doi: 10.48550/arxiv.1910.12439 · pith_short_12: SBUDD5RML3R3 · pith_short_16: SBUDD5RML3R3EO2R · pith_short_8: SBUDD5RM

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/SBUDD5RML3R3EO2RM3IFBMNCHP \
  | 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: 906831f62c5ee3b23b5166d050b1a23bfb45d85681604b0533e1e2cec66f2bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a6d1defdab51f429c99eba43e74d64bec7f1f6d4797402475847fb49b34149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-10-28T04:45:49Z",
    "title_canon_sha256": "0eabe48166fe5f6dae989425fd0fe4a12c0eb62e7b45552c93ba662421c867ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12439",
    "kind": "arxiv",
    "version": 1
  }
}