Pith Number

pith:OIWX63B3

pith:2012:OIWX63B3LXRTISDS3Z3GCNX4CK

not attested not anchored not stored refs pending

External Tonehole Interactions in Woodwind Instruments

Antoine Lefebvre, Gary P. Scavone, Jean Kergomard (LMA)

arxiv:1207.5490 v2 · 2012-07-23 · physics.class-ph · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIWX63B3LXRTISDS3Z3GCNX4CK}

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	2026-05-18T02:59:06.541795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

722d7f6c3b5de3344872de766136fc12adcf824d4d79db20751e8a158660535e

Aliases

arxiv: 1207.5490 · arxiv_version: 1207.5490v2 · doi: 10.48550/arxiv.1207.5490 · pith_short_12: OIWX63B3LXRT · pith_short_16: OIWX63B3LXRTISDS · pith_short_8: OIWX63B3

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/OIWX63B3LXRTISDS3Z3GCNX4CK \
  | 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: 722d7f6c3b5de3344872de766136fc12adcf824d4d79db20751e8a158660535e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfe594e82b04334f683b0f56c2b30217f71a6694eadfa53eed71bee040d26024",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-07-23T19:13:37Z",
    "title_canon_sha256": "834fe98a6a671251b88752e6766d1934fb8500655371f76610ceb71c8dd72d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5490",
    "kind": "arxiv",
    "version": 2
  }
}