Pith Number

pith:MV6E7TRF

pith:2021:MV6E7TRFYOGQGAZ4BTZQSSIQM7

not attested not anchored not stored refs pending

Full spectrum optical constant interface to the Materials Project

C. D. Pemmaraju, F. D. Vila, J. J. Kas, J. J. Rehr, K. A. Persson, M. P. Prange, R. X. Yang

arxiv:2108.10981 v2 · 2021-08-24 · 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{MV6E7TRFYOGQGAZ4BTZQSSIQM7}

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	2026-07-05T03:08:56.866578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

657c4fce25c38d03033c0cf309491067c7c078e342e99bf4596753f063183181

Aliases

arxiv: 2108.10981 · arxiv_version: 2108.10981v2 · doi: 10.48550/arxiv.2108.10981 · pith_short_12: MV6E7TRFYOGQ · pith_short_16: MV6E7TRFYOGQGAZ4 · pith_short_8: MV6E7TRF

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/MV6E7TRFYOGQGAZ4BTZQSSIQM7 \
  | 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: 657c4fce25c38d03033c0cf309491067c7c078e342e99bf4596753f063183181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e3f3154c0ba9cf0d47c8d80bef38b79acdf3d180b1127580b9a959caefa04f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-08-24T22:35:36Z",
    "title_canon_sha256": "102af77dd4f31fc5de8a3d91b3b28d5ca73b313e4eb256b8a77ce69c85b545d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10981",
    "kind": "arxiv",
    "version": 2
  }
}