Pith Number

pith:4JO5YKEM

pith:2009:4JO5YKEM3SVPHWFND3HE5D5ISO

not attested not anchored not stored refs pending

Observation of shock waves in a large Bose-Einstein condensate

E. D. van Ooijen, H. Rubinsztein-Dunlop, J. M. Vogels, M. J. Davis, N. R. Heckenberg, P. van der Straten, R. Meppelink, S. A. Haine, S. B. Koller

arxiv:0907.3989 v1 · 2009-07-23 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JO5YKEM3SVPHWFND3HE5D5ISO}

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	2026-05-18T02:12:54.444424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25ddc288cdcaaf3d8ad1ece4e8fa8939b09d23f785e279af3a6a9307761bbe9

Aliases

arxiv: 0907.3989 · arxiv_version: 0907.3989v1 · doi: 10.48550/arxiv.0907.3989 · pith_short_12: 4JO5YKEM3SVP · pith_short_16: 4JO5YKEM3SVPHWFN · pith_short_8: 4JO5YKEM

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/4JO5YKEM3SVPHWFND3HE5D5ISO \
  | 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: e25ddc288cdcaaf3d8ad1ece4e8fa8939b09d23f785e279af3a6a9307761bbe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76b59bbf9c8384811d39f345505528ceb5b2dc0fb97d1b8ff4765341ea39a7ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-07-23T06:22:14Z",
    "title_canon_sha256": "818e58aabfddb7339bfcc472690d879b212eae823cb121d32e5094860e9fdbe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3989",
    "kind": "arxiv",
    "version": 1
  }
}