Pith Number

pith:RT4OQUL5

pith:2012:RT4OQUL5LM6J4JKEACCHBDFMCY

not attested not anchored not stored refs pending

Optical phonon modes of wurtzite InP

A. Cantarero, E. G. Gadret, F. Iikawa, J. R. Madureira, M. A. Cotta, M. M. de Lima Jr, T. Chiaramonte

arxiv:1212.1491 v1 · 2012-12-06 · 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{RT4OQUL5LM6J4JKEACCHBDFMCY}

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	2026-05-18T03:30:02.249194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cf8e8517d5b3c9e25440084708cac163297c7594608213934e1024ef698834c

Aliases

arxiv: 1212.1491 · arxiv_version: 1212.1491v1 · doi: 10.48550/arxiv.1212.1491 · pith_short_12: RT4OQUL5LM6J · pith_short_16: RT4OQUL5LM6J4JKE · pith_short_8: RT4OQUL5

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/RT4OQUL5LM6J4JKEACCHBDFMCY \
  | 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: 8cf8e8517d5b3c9e25440084708cac163297c7594608213934e1024ef698834c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3745d9cfff61a7d64d1e0508bb02f936229572a902a85cabfca698cc82d5e363",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-12-06T22:38:41Z",
    "title_canon_sha256": "6b5a138b2e647672bc7dcfb3c1bdb0e84d7dbe705ebf0f4810180ee3b3c7a55a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1491",
    "kind": "arxiv",
    "version": 1
  }
}