Pith Number

pith:64EHDXHW

pith:2012:64EHDXHW7RBKH6MP4GTGIMX4KU

not attested not anchored not stored refs pending

Report on the piezoelectric frequency effect in quartz and its possibility in other piezoelectric materials

Qingyou Lu, Yubin Hou

arxiv:1212.5990 v1 · 2012-12-25 · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64EHDXHW7RBKH6MP4GTGIMX4KU}

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	2026-05-18T03:37:50.859747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70871dcf6fc42a3f98fe1a66432fc5503678ec42fb401051ab4e5add37066c0

Aliases

arxiv: 1212.5990 · arxiv_version: 1212.5990v1 · doi: 10.48550/arxiv.1212.5990 · pith_short_12: 64EHDXHW7RBK · pith_short_16: 64EHDXHW7RBKH6MP · pith_short_8: 64EHDXHW

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/64EHDXHW7RBKH6MP4GTGIMX4KU \
  | 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: f70871dcf6fc42a3f98fe1a66432fc5503678ec42fb401051ab4e5add37066c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7962aa542e2ca2940c664d63d2953e52547d62994de2d22348a6207994cfe666",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-12-25T04:23:26Z",
    "title_canon_sha256": "25b82a85a7dd2f3aecb068f369c55c36edf7abd69a3fc1e74f4c32f54fe1db10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5990",
    "kind": "arxiv",
    "version": 1
  }
}