Pith Number

pith:W6SO4HWT

pith:2009:W6SO4HWTG3GWYCNZFVVGXDVIFP

not attested not anchored not stored refs pending

Observation of Mass Transport through Solid 4He

M.W. Ray, R.B. Hallock

arxiv:0904.1689 v2 · 2009-04-10 · 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{W6SO4HWTG3GWYCNZFVVGXDVIFP}

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	2026-05-18T02:14:06.539697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7a4ee1ed336cd6c09b92d6a6b8ea82bf118cf6f7d699b98d70cd7c054ae1988

Aliases

arxiv: 0904.1689 · arxiv_version: 0904.1689v2 · doi: 10.48550/arxiv.0904.1689 · pith_short_12: W6SO4HWTG3GW · pith_short_16: W6SO4HWTG3GWYCNZ · pith_short_8: W6SO4HWT

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/W6SO4HWTG3GWYCNZFVVGXDVIFP \
  | 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: b7a4ee1ed336cd6c09b92d6a6b8ea82bf118cf6f7d699b98d70cd7c054ae1988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef78eb6f1df48a44546463cd4464f064db893f03035e81ef51a90dd768b0c0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2009-04-10T13:53:41Z",
    "title_canon_sha256": "2da57ef3e9e1cdcaebfb58b34f8a715d49a83173465b65baa23dc6ac24addef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1689",
    "kind": "arxiv",
    "version": 2
  }
}