Pith Number

pith:IKD45SMF

pith:2012:IKD45SMFVHGDHM2Q7CVRC7V34Z

not attested not anchored not stored refs pending

Sound velocity measurements of tantalum under shock compression in the 10-110 GPa range

Chengda Dai, Hua Tan, Jianbo Hu, Lingcang Cai, Qiang Wu, Xianming Zhou, Ye Tan, Yuying Yu, Zijiang Liu

arxiv:1201.0427 v3 · 2012-01-02 · 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{IKD45SMFVHGDHM2Q7CVRC7V34Z}

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	2026-05-18T01:58:59.026164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4287cec985a9cc33b350f8ab117ebbe64539cc17f48c56429939b1468b3fb6e7

Aliases

arxiv: 1201.0427 · arxiv_version: 1201.0427v3 · doi: 10.48550/arxiv.1201.0427 · pith_short_12: IKD45SMFVHGD · pith_short_16: IKD45SMFVHGDHM2Q · pith_short_8: IKD45SMF

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/IKD45SMFVHGDHM2Q7CVRC7V34Z \
  | 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: 4287cec985a9cc33b350f8ab117ebbe64539cc17f48c56429939b1468b3fb6e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e44fba19fd199325a3d47351302bca8941e75fa9bd6905d2ee7900b3560eb6d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-01-02T05:52:39Z",
    "title_canon_sha256": "e0aabe7cbc88b496d67f68d3529e3b4ef054ba12c80b676043838debf8c8f7fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0427",
    "kind": "arxiv",
    "version": 3
  }
}