Pith Number

pith:5HA4RACH

pith:2009:5HA4RACHLMUSVMSFUBY2YQDF55

not attested not anchored not stored refs pending

Zero and First Sound in Normal Fermi Systems

Aiko Osawa, Shohei Watabe, Tetsuro Nikuni

arxiv:0910.3283 v1 · 2009-10-17 · cond-mat.quant-gas · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HA4RACHLMUSVMSFUBY2YQDF55}

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	2026-05-18T04:39:59.447371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9c1c880475b292ab245a071ac4065ef580090ed377c7fd637b583355a727891

Aliases

arxiv: 0910.3283 · arxiv_version: 0910.3283v1 · doi: 10.48550/arxiv.0910.3283 · pith_short_12: 5HA4RACHLMUS · pith_short_16: 5HA4RACHLMUSVMSF · pith_short_8: 5HA4RACH

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/5HA4RACHLMUSVMSFUBY2YQDF55 \
  | 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: e9c1c880475b292ab245a071ac4065ef580090ed377c7fd637b583355a727891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66505f6e0dca804048007d94b22c30424e3bddf6155f5205b56911e104856c29",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-10-17T08:06:02Z",
    "title_canon_sha256": "fee157fa002bcdf2c79ccfb089de3d9cdb14356d542e232c8d3237729a56c7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3283",
    "kind": "arxiv",
    "version": 1
  }
}