Pith Number

pith:X3IUYROW

pith:2012:X3IUYROW5EDD7D7WZIHWLGTUGB

not attested not anchored not stored refs pending

Flute-Model Acoustic Metamaterials with Simultaneously Negative Bulk Modulus and Mass Density

C. R. Luo, H. C. Zeng, H. J. Chen, S. L. Zhai, X. P. Zhao

arxiv:1210.2527 v1 · 2012-10-09 · physics.class-ph · 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{X3IUYROW5EDD7D7WZIHWLGTUGB}

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	2026-05-18T01:54:04.205019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed14c45d6e9063f8ff6ca0f659a74306bc2b2c29cc1ef46f659e78c486aee6b

Aliases

arxiv: 1210.2527 · arxiv_version: 1210.2527v1 · doi: 10.48550/arxiv.1210.2527 · pith_short_12: X3IUYROW5EDD · pith_short_16: X3IUYROW5EDD7D7W · pith_short_8: X3IUYROW

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/X3IUYROW5EDD7D7WZIHWLGTUGB \
  | 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: bed14c45d6e9063f8ff6ca0f659a74306bc2b2c29cc1ef46f659e78c486aee6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad602302e5ab255aa394e938b2245c59b4a83fdd27fd67a05c767461da8bb466",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-10-09T08:33:52Z",
    "title_canon_sha256": "3a73aff7ff7a65131991d715324967eedfdbf0dfd2a80742f90db972b4773b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2527",
    "kind": "arxiv",
    "version": 1
  }
}